21799128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 59320800

約数和(自身を除く): 37521672

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 109, 156, 218, 312, 327, 436, 641, 654, 872, 1282, 1308, 1417, 1923, 2564, 2616, 2834, 3846, 4251, 5128, 5668, 7692, 8333, 8502, 11336, 15384, 16666, 17004, 24999, 33332, 34008, 49998, 66664, 69869, 99996, 139738, 199992, 209607, 279476, 419214, 558952, 838428, 908297, 1676856, 1816594, 2724891, 3633188, 5449782, 7266376, 10899564, 21799128]

約数ペア:

[(1, 21799128), (2, 10899564), (3, 7266376), (4, 5449782), (6, 3633188), (8, 2724891), (12, 1816594), (13, 1676856), (24, 908297), (26, 838428), (39, 558952), (52, 419214), (78, 279476), (104, 209607), (109, 199992), (156, 139738), (218, 99996), (312, 69869), (327, 66664), (436, 49998), (641, 34008), (654, 33332), (872, 24999), (1282, 17004), (1308, 16666), (1417, 15384), (1923, 11336), (2564, 8502), (2616, 8333), (2834, 7692), (3846, 5668), (4251, 5128)]