21862776

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 59673600

約数和(自身を除く): 37810824

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 79, 104, 156, 158, 237, 312, 316, 474, 632, 887, 948, 1027, 1774, 1896, 2054, 2661, 3081, 3548, 4108, 5322, 6162, 7096, 8216, 10644, 11531, 12324, 21288, 23062, 24648, 34593, 46124, 69186, 70073, 92248, 138372, 140146, 210219, 276744, 280292, 420438, 560584, 840876, 910949, 1681752, 1821898, 2732847, 3643796, 5465694, 7287592, 10931388, 21862776]

約数ペア:

[(1, 21862776), (2, 10931388), (3, 7287592), (4, 5465694), (6, 3643796), (8, 2732847), (12, 1821898), (13, 1681752), (24, 910949), (26, 840876), (39, 560584), (52, 420438), (78, 280292), (79, 276744), (104, 210219), (156, 140146), (158, 138372), (237, 92248), (312, 70073), (316, 69186), (474, 46124), (632, 34593), (887, 24648), (948, 23062), (1027, 21288), (1774, 12324), (1896, 11531), (2054, 10644), (2661, 8216), (3081, 7096), (3548, 6162), (4108, 5322)]