21208258152

素因数分解:

$2^3\times 3^2\times {\mathrm{349}}^1\times {\mathrm{359}}^1\times {\mathrm{2351}}^1$

素因数の和:3071

約数の個数: 96

約数和(自身を含む): 57788640000

約数和(自身を除く): 36580381848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 349, 359, 698, 718, 1047, 1077, 1396, 1436, 2094, 2154, 2351, 2792, 2872, 3141, 3231, 4188, 4308, 4702, 6282, 6462, 7053, 8376, 8616, 9404, 12564, 12924, 14106, 18808, 21159, 25128, 25848, 28212, 42318, 56424, 84636, 125291, 169272, 250582, 375873, 501164, 751746, 820499, 844009, 1002328, 1127619, 1503492, 1640998, 1688018, 2255238, 2461497, 2532027, 3006984, 3281996, 3376036, 4510476, 4922994, 5064054, 6563992, 6752072, 7384491, 7596081, 9020952, 9845988, 10128108, 14768982, 15192162, 19691976, 20256216, 29537964, 30384324, 59075928, 60768648, 294559141, 589118282, 883677423, 1178236564, 1767354846, 2356473128, 2651032269, 3534709692, 5302064538, 7069419384, 10604129076, 21208258152]

約数ペア:

[(1, 21208258152), (2, 10604129076), (3, 7069419384), (4, 5302064538), (6, 3534709692), (8, 2651032269), (9, 2356473128), (12, 1767354846), (18, 1178236564), (24, 883677423), (36, 589118282), (72, 294559141), (349, 60768648), (359, 59075928), (698, 30384324), (718, 29537964), (1047, 20256216), (1077, 19691976), (1396, 15192162), (1436, 14768982), (2094, 10128108), (2154, 9845988), (2351, 9020952), (2792, 7596081), (2872, 7384491), (3141, 6752072), (3231, 6563992), (4188, 5064054), (4308, 4922994), (4702, 4510476), (6282, 3376036), (6462, 3281996), (7053, 3006984), (8376, 2532027), (8616, 2461497), (9404, 2255238), (12564, 1688018), (12924, 1640998), (14106, 1503492), (18808, 1127619), (21159, 1002328), (25128, 844009), (25848, 820499), (28212, 751746), (42318, 501164), (56424, 375873), (84636, 250582), (125291, 169272)]