21743940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8839}}^1$

素因数の和:8892

約数の個数: 48

約数和(自身を含む): 62375040

約数和(自身を除く): 40631100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8839, 17678, 26517, 35356, 44195, 53034, 88390, 106068, 132585, 176780, 265170, 362399, 530340, 724798, 1087197, 1449596, 1811995, 2174394, 3623990, 4348788, 5435985, 7247980, 10871970, 21743940]

約数ペア:

[(1, 21743940), (2, 10871970), (3, 7247980), (4, 5435985), (5, 4348788), (6, 3623990), (10, 2174394), (12, 1811995), (15, 1449596), (20, 1087197), (30, 724798), (41, 530340), (60, 362399), (82, 265170), (123, 176780), (164, 132585), (205, 106068), (246, 88390), (410, 53034), (492, 44195), (615, 35356), (820, 26517), (1230, 17678), (2460, 8839)]