21035850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:117

約数の個数: 144

約数和(自身を含む): 61350240

約数和(自身を除く): 40314390

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 25, 30, 33, 38, 50, 55, 57, 61, 66, 75, 95, 110, 114, 121, 122, 150, 165, 183, 190, 209, 242, 275, 285, 305, 330, 363, 366, 418, 475, 550, 570, 605, 610, 627, 671, 726, 825, 915, 950, 1045, 1159, 1210, 1254, 1342, 1425, 1525, 1650, 1815, 1830, 2013, 2090, 2299, 2318, 2850, 3025, 3050, 3135, 3355, 3477, 3630, 4026, 4575, 4598, 5225, 5795, 6050, 6270, 6710, 6897, 6954, 7381, 9075, 9150, 10065, 10450, 11495, 11590, 12749, 13794, 14762, 15675, 16775, 17385, 18150, 20130, 22143, 22990, 25498, 28975, 31350, 33550, 34485, 34770, 36905, 38247, 44286, 50325, 57475, 57950, 63745, 68970, 73810, 76494, 86925, 100650, 110715, 114950, 127490, 140239, 172425, 173850, 184525, 191235, 221430, 280478, 318725, 344850, 369050, 382470, 420717, 553575, 637450, 701195, 841434, 956175, 1107150, 1402390, 1912350, 2103585, 3505975, 4207170, 7011950, 10517925, 21035850]

約数ペア:

[(1, 21035850), (2, 10517925), (3, 7011950), (5, 4207170), (6, 3505975), (10, 2103585), (11, 1912350), (15, 1402390), (19, 1107150), (22, 956175), (25, 841434), (30, 701195), (33, 637450), (38, 553575), (50, 420717), (55, 382470), (57, 369050), (61, 344850), (66, 318725), (75, 280478), (95, 221430), (110, 191235), (114, 184525), (121, 173850), (122, 172425), (150, 140239), (165, 127490), (183, 114950), (190, 110715), (209, 100650), (242, 86925), (275, 76494), (285, 73810), (305, 68970), (330, 63745), (363, 57950), (366, 57475), (418, 50325), (475, 44286), (550, 38247), (570, 36905), (605, 34770), (610, 34485), (627, 33550), (671, 31350), (726, 28975), (825, 25498), (915, 22990), (950, 22143), (1045, 20130), (1159, 18150), (1210, 17385), (1254, 16775), (1342, 15675), (1425, 14762), (1525, 13794), (1650, 12749), (1815, 11590), (1830, 11495), (2013, 10450), (2090, 10065), (2299, 9150), (2318, 9075), (2850, 7381), (3025, 6954), (3050, 6897), (3135, 6710), (3355, 6270), (3477, 6050), (3630, 5795), (4026, 5225), (4575, 4598)]