21031875970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{1201}}^1$

素因数の和:1460

約数の個数: 128

約数和(自身を含む): 46110643200

約数和(自身を除く): 25078767230

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 73, 115, 146, 149, 161, 230, 298, 322, 365, 511, 730, 745, 805, 1022, 1043, 1201, 1490, 1610, 1679, 2086, 2402, 2555, 3358, 3427, 5110, 5215, 6005, 6854, 8395, 8407, 10430, 10877, 11753, 12010, 16790, 16814, 17135, 21754, 23506, 23989, 27623, 34270, 42035, 47978, 54385, 55246, 58765, 76139, 84070, 87673, 108770, 117530, 119945, 138115, 152278, 175346, 178949, 193361, 239890, 250171, 276230, 357898, 380695, 386722, 438365, 500342, 613711, 761390, 876730, 894745, 966805, 1227422, 1250855, 1252643, 1751197, 1789490, 1933610, 2016479, 2501710, 2505286, 3068555, 3502394, 4032958, 4115827, 6137110, 6263215, 8231654, 8755985, 10082395, 12526430, 13063277, 14115353, 17511970, 20164790, 20579135, 26126554, 28230706, 28810789, 41158270, 57621578, 65316385, 70576765, 91442939, 130632770, 141153530, 144053945, 182885878, 288107890, 300455371, 457214695, 600910742, 914429390, 1502276855, 2103187597, 3004553710, 4206375194, 10515937985, 21031875970]

約数ペア:

[(1, 21031875970), (2, 10515937985), (5, 4206375194), (7, 3004553710), (10, 2103187597), (14, 1502276855), (23, 914429390), (35, 600910742), (46, 457214695), (70, 300455371), (73, 288107890), (115, 182885878), (146, 144053945), (149, 141153530), (161, 130632770), (230, 91442939), (298, 70576765), (322, 65316385), (365, 57621578), (511, 41158270), (730, 28810789), (745, 28230706), (805, 26126554), (1022, 20579135), (1043, 20164790), (1201, 17511970), (1490, 14115353), (1610, 13063277), (1679, 12526430), (2086, 10082395), (2402, 8755985), (2555, 8231654), (3358, 6263215), (3427, 6137110), (5110, 4115827), (5215, 4032958), (6005, 3502394), (6854, 3068555), (8395, 2505286), (8407, 2501710), (10430, 2016479), (10877, 1933610), (11753, 1789490), (12010, 1751197), (16790, 1252643), (16814, 1250855), (17135, 1227422), (21754, 966805), (23506, 894745), (23989, 876730), (27623, 761390), (34270, 613711), (42035, 500342), (47978, 438365), (54385, 386722), (55246, 380695), (58765, 357898), (76139, 276230), (84070, 250171), (87673, 239890), (108770, 193361), (117530, 178949), (119945, 175346), (138115, 152278)]