21459048

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{631}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 58396800

約数和(自身を除く): 36937752

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 109, 156, 218, 312, 327, 436, 631, 654, 872, 1262, 1308, 1417, 1893, 2524, 2616, 2834, 3786, 4251, 5048, 5668, 7572, 8203, 8502, 11336, 15144, 16406, 17004, 24609, 32812, 34008, 49218, 65624, 68779, 98436, 137558, 196872, 206337, 275116, 412674, 550232, 825348, 894127, 1650696, 1788254, 2682381, 3576508, 5364762, 7153016, 10729524, 21459048]

約数ペア:

[(1, 21459048), (2, 10729524), (3, 7153016), (4, 5364762), (6, 3576508), (8, 2682381), (12, 1788254), (13, 1650696), (24, 894127), (26, 825348), (39, 550232), (52, 412674), (78, 275116), (104, 206337), (109, 196872), (156, 137558), (218, 98436), (312, 68779), (327, 65624), (436, 49218), (631, 34008), (654, 32812), (872, 24609), (1262, 17004), (1308, 16406), (1417, 15144), (1893, 11336), (2524, 8502), (2616, 8203), (2834, 7572), (3786, 5668), (4251, 5048)]