21035976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{353}}^1$

素因数の和:566

約数の個数: 64

約数和(自身を含む): 57093120

約数和(自身を除く): 36057144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 191, 312, 353, 382, 573, 706, 764, 1059, 1146, 1412, 1528, 2118, 2292, 2483, 2824, 4236, 4584, 4589, 4966, 7449, 8472, 9178, 9932, 13767, 14898, 18356, 19864, 27534, 29796, 36712, 55068, 59592, 67423, 110136, 134846, 202269, 269692, 404538, 539384, 809076, 876499, 1618152, 1752998, 2629497, 3505996, 5258994, 7011992, 10517988, 21035976]

約数ペア:

[(1, 21035976), (2, 10517988), (3, 7011992), (4, 5258994), (6, 3505996), (8, 2629497), (12, 1752998), (13, 1618152), (24, 876499), (26, 809076), (39, 539384), (52, 404538), (78, 269692), (104, 202269), (156, 134846), (191, 110136), (312, 67423), (353, 59592), (382, 55068), (573, 36712), (706, 29796), (764, 27534), (1059, 19864), (1146, 18356), (1412, 14898), (1528, 13767), (2118, 9932), (2292, 9178), (2483, 8472), (2824, 7449), (4236, 4966), (4584, 4589)]