21167763705

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1\times {\mathrm{521}}^1$

素因数の和:1143

約数の個数: 96

約数和(自身を含む): 40396786560

約数和(自身を除く): 19229022855

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 211, 389, 495, 521, 633, 1055, 1167, 1563, 1899, 1945, 2321, 2605, 3165, 3501, 4279, 4689, 5731, 5835, 6963, 7815, 9495, 11605, 12837, 17193, 17505, 20889, 21395, 23445, 28655, 34815, 38511, 51579, 64185, 82079, 85965, 104445, 109931, 192555, 202669, 246237, 257895, 329793, 410395, 549655, 608007, 738711, 902869, 989379, 1013345, 1209241, 1231185, 1648965, 1824021, 2229359, 2708607, 3040035, 3627723, 3693555, 4514345, 4946895, 6046205, 6688077, 8125821, 9120105, 10883169, 11146795, 13543035, 18138615, 20064231, 33440385, 40629105, 42763159, 54415845, 100321155, 128289477, 213815795, 384868431, 470394749, 641447385, 1411184247, 1924342155, 2351973745, 4233552741, 7055921235, 21167763705]

約数ペア:

[(1, 21167763705), (3, 7055921235), (5, 4233552741), (9, 2351973745), (11, 1924342155), (15, 1411184247), (33, 641447385), (45, 470394749), (55, 384868431), (99, 213815795), (165, 128289477), (211, 100321155), (389, 54415845), (495, 42763159), (521, 40629105), (633, 33440385), (1055, 20064231), (1167, 18138615), (1563, 13543035), (1899, 11146795), (1945, 10883169), (2321, 9120105), (2605, 8125821), (3165, 6688077), (3501, 6046205), (4279, 4946895), (4689, 4514345), (5731, 3693555), (5835, 3627723), (6963, 3040035), (7815, 2708607), (9495, 2229359), (11605, 1824021), (12837, 1648965), (17193, 1231185), (17505, 1209241), (20889, 1013345), (21395, 989379), (23445, 902869), (28655, 738711), (34815, 608007), (38511, 549655), (51579, 410395), (64185, 329793), (82079, 257895), (85965, 246237), (104445, 202669), (109931, 192555)]