21776520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2039}}^1$

素因数の和:2142

約数の個数: 64

約数和(自身を含む): 66096000

約数和(自身を除く): 44319480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 2039, 2136, 2670, 3560, 4078, 5340, 6117, 8156, 10195, 10680, 12234, 16312, 20390, 24468, 30585, 40780, 48936, 61170, 81560, 122340, 181471, 244680, 362942, 544413, 725884, 907355, 1088826, 1451768, 1814710, 2177652, 2722065, 3629420, 4355304, 5444130, 7258840, 10888260, 21776520]

約数ペア:

[(1, 21776520), (2, 10888260), (3, 7258840), (4, 5444130), (5, 4355304), (6, 3629420), (8, 2722065), (10, 2177652), (12, 1814710), (15, 1451768), (20, 1088826), (24, 907355), (30, 725884), (40, 544413), (60, 362942), (89, 244680), (120, 181471), (178, 122340), (267, 81560), (356, 61170), (445, 48936), (534, 40780), (712, 30585), (890, 24468), (1068, 20390), (1335, 16312), (1780, 12234), (2039, 10680), (2136, 10195), (2670, 8156), (3560, 6117), (4078, 5340)]