21532156980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{309637}}^1$

素因数の和:309729

約数の個数: 96

約数和(自身を含む): 64503788160

約数和(自身を除く): 42971631180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 61, 76, 95, 114, 122, 183, 190, 228, 244, 285, 305, 366, 380, 570, 610, 732, 915, 1140, 1159, 1220, 1830, 2318, 3477, 3660, 4636, 5795, 6954, 11590, 13908, 17385, 23180, 34770, 69540, 309637, 619274, 928911, 1238548, 1548185, 1857822, 3096370, 3715644, 4644555, 5883103, 6192740, 9289110, 11766206, 17649309, 18578220, 18887857, 23532412, 29415515, 35298618, 37775714, 56663571, 58831030, 70597236, 75551428, 88246545, 94439285, 113327142, 117662060, 176493090, 188878570, 226654284, 283317855, 352986180, 358869283, 377757140, 566635710, 717738566, 1076607849, 1133271420, 1435477132, 1794346415, 2153215698, 3588692830, 4306431396, 5383039245, 7177385660, 10766078490, 21532156980]

約数ペア:

[(1, 21532156980), (2, 10766078490), (3, 7177385660), (4, 5383039245), (5, 4306431396), (6, 3588692830), (10, 2153215698), (12, 1794346415), (15, 1435477132), (19, 1133271420), (20, 1076607849), (30, 717738566), (38, 566635710), (57, 377757140), (60, 358869283), (61, 352986180), (76, 283317855), (95, 226654284), (114, 188878570), (122, 176493090), (183, 117662060), (190, 113327142), (228, 94439285), (244, 88246545), (285, 75551428), (305, 70597236), (366, 58831030), (380, 56663571), (570, 37775714), (610, 35298618), (732, 29415515), (915, 23532412), (1140, 18887857), (1159, 18578220), (1220, 17649309), (1830, 11766206), (2318, 9289110), (3477, 6192740), (3660, 5883103), (4636, 4644555), (5795, 3715644), (6954, 3096370), (11590, 1857822), (13908, 1548185), (17385, 1238548), (23180, 928911), (34770, 619274), (69540, 309637)]