21960171240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{751}}^1\times {\mathrm{4973}}^1$

素因数の和:5752

約数の個数: 192

約数和(自身を含む): 76753992960

約数和(自身を除く): 54793821720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 751, 840, 980, 1176, 1470, 1502, 1960, 2253, 2940, 3004, 3755, 4506, 4973, 5257, 5880, 6008, 7510, 9012, 9946, 10514, 11265, 14919, 15020, 15771, 18024, 19892, 21028, 22530, 24865, 26285, 29838, 30040, 31542, 34811, 36799, 39784, 42056, 45060, 49730, 52570, 59676, 63084, 69622, 73598, 74595, 78855, 90120, 99460, 104433, 105140, 110397, 119352, 126168, 139244, 147196, 149190, 157710, 174055, 183995, 198920, 208866, 210280, 220794, 243677, 278488, 294392, 298380, 315420, 348110, 367990, 417732, 441588, 487354, 522165, 551985, 596760, 630840, 696220, 731031, 735980, 835464, 883176, 974708, 1044330, 1103970, 1218385, 1392440, 1462062, 1471960, 1949416, 2088660, 2207940, 2436770, 2924124, 3655155, 3734723, 4177320, 4415880, 4873540, 5848248, 7310310, 7469446, 9747080, 11204169, 14620620, 14938892, 18673615, 22408338, 26143061, 29241240, 29877784, 37347230, 44816676, 52286122, 56020845, 74694460, 78429183, 89633352, 104572244, 112041690, 130715305, 149388920, 156858366, 183001427, 209144488, 224083380, 261430610, 313716732, 366002854, 392145915, 448166760, 522861220, 549004281, 627433464, 732005708, 784291830, 915007135, 1045722440, 1098008562, 1464011416, 1568583660, 1830014270, 2196017124, 2745021405, 3137167320, 3660028540, 4392034248, 5490042810, 7320057080, 10980085620, 21960171240]

約数ペア:

[(1, 21960171240), (2, 10980085620), (3, 7320057080), (4, 5490042810), (5, 4392034248), (6, 3660028540), (7, 3137167320), (8, 2745021405), (10, 2196017124), (12, 1830014270), (14, 1568583660), (15, 1464011416), (20, 1098008562), (21, 1045722440), (24, 915007135), (28, 784291830), (30, 732005708), (35, 627433464), (40, 549004281), (42, 522861220), (49, 448166760), (56, 392145915), (60, 366002854), (70, 313716732), (84, 261430610), (98, 224083380), (105, 209144488), (120, 183001427), (140, 156858366), (147, 149388920), (168, 130715305), (196, 112041690), (210, 104572244), (245, 89633352), (280, 78429183), (294, 74694460), (392, 56020845), (420, 52286122), (490, 44816676), (588, 37347230), (735, 29877784), (751, 29241240), (840, 26143061), (980, 22408338), (1176, 18673615), (1470, 14938892), (1502, 14620620), (1960, 11204169), (2253, 9747080), (2940, 7469446), (3004, 7310310), (3755, 5848248), (4506, 4873540), (4973, 4415880), (5257, 4177320), (5880, 3734723), (6008, 3655155), (7510, 2924124), (9012, 2436770), (9946, 2207940), (10514, 2088660), (11265, 1949416), (14919, 1471960), (15020, 1462062), (15771, 1392440), (18024, 1218385), (19892, 1103970), (21028, 1044330), (22530, 974708), (24865, 883176), (26285, 835464), (29838, 735980), (30040, 731031), (31542, 696220), (34811, 630840), (36799, 596760), (39784, 551985), (42056, 522165), (45060, 487354), (49730, 441588), (52570, 417732), (59676, 367990), (63084, 348110), (69622, 315420), (73598, 298380), (74595, 294392), (78855, 278488), (90120, 243677), (99460, 220794), (104433, 210280), (105140, 208866), (110397, 198920), (119352, 183995), (126168, 174055), (139244, 157710), (147196, 149190)]