21957679380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{7043}}^1$

素因数の和:7646

約数の個数: 192

約数和(自身を含む): 75812825088

約数和(自身を除く): 53855145708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 571, 780, 910, 1092, 1142, 1365, 1713, 1820, 2284, 2730, 2855, 3426, 3997, 5460, 5710, 6852, 7043, 7423, 7994, 8565, 11420, 11991, 14086, 14846, 15988, 17130, 19985, 21129, 22269, 23982, 28172, 29692, 34260, 35215, 37115, 39970, 42258, 44538, 47964, 49301, 51961, 59955, 70430, 74230, 79940, 84516, 89076, 91559, 98602, 103922, 105645, 111345, 119910, 140860, 147903, 148460, 155883, 183118, 197204, 207844, 211290, 222690, 239820, 246505, 259805, 274677, 295806, 311766, 366236, 422580, 445380, 457795, 493010, 519610, 549354, 591612, 623532, 640913, 739515, 779415, 915590, 986020, 1039220, 1098708, 1281826, 1373385, 1479030, 1558830, 1831180, 1922739, 2563652, 2746770, 2958060, 3117660, 3204565, 3845478, 4021553, 5493540, 6409130, 7690956, 8043106, 9613695, 12064659, 12818260, 16086212, 19227390, 20107765, 24129318, 28150871, 38454780, 40215530, 48258636, 52280189, 56301742, 60323295, 80431060, 84452613, 104560378, 112603484, 120646590, 140754355, 156840567, 168905226, 209120756, 241293180, 261400945, 281508710, 313681134, 337810452, 365961323, 422263065, 522801890, 563017420, 627362268, 731922646, 784202835, 844526130, 1045603780, 1097883969, 1463845292, 1568405670, 1689052260, 1829806615, 2195767938, 3136811340, 3659613230, 4391535876, 5489419845, 7319226460, 10978839690, 21957679380]

約数ペア:

[(1, 21957679380), (2, 10978839690), (3, 7319226460), (4, 5489419845), (5, 4391535876), (6, 3659613230), (7, 3136811340), (10, 2195767938), (12, 1829806615), (13, 1689052260), (14, 1568405670), (15, 1463845292), (20, 1097883969), (21, 1045603780), (26, 844526130), (28, 784202835), (30, 731922646), (35, 627362268), (39, 563017420), (42, 522801890), (52, 422263065), (60, 365961323), (65, 337810452), (70, 313681134), (78, 281508710), (84, 261400945), (91, 241293180), (105, 209120756), (130, 168905226), (140, 156840567), (156, 140754355), (182, 120646590), (195, 112603484), (210, 104560378), (260, 84452613), (273, 80431060), (364, 60323295), (390, 56301742), (420, 52280189), (455, 48258636), (546, 40215530), (571, 38454780), (780, 28150871), (910, 24129318), (1092, 20107765), (1142, 19227390), (1365, 16086212), (1713, 12818260), (1820, 12064659), (2284, 9613695), (2730, 8043106), (2855, 7690956), (3426, 6409130), (3997, 5493540), (5460, 4021553), (5710, 3845478), (6852, 3204565), (7043, 3117660), (7423, 2958060), (7994, 2746770), (8565, 2563652), (11420, 1922739), (11991, 1831180), (14086, 1558830), (14846, 1479030), (15988, 1373385), (17130, 1281826), (19985, 1098708), (21129, 1039220), (22269, 986020), (23982, 915590), (28172, 779415), (29692, 739515), (34260, 640913), (35215, 623532), (37115, 591612), (39970, 549354), (42258, 519610), (44538, 493010), (47964, 457795), (49301, 445380), (51961, 422580), (59955, 366236), (70430, 311766), (74230, 295806), (79940, 274677), (84516, 259805), (89076, 246505), (91559, 239820), (98602, 222690), (103922, 211290), (105645, 207844), (111345, 197204), (119910, 183118), (140860, 155883), (147903, 148460)]