21962265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 39367104

約数和(自身を除く): 17404839

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 67, 123, 195, 201, 205, 335, 533, 615, 871, 1005, 1599, 1681, 2613, 2665, 2747, 4355, 5043, 7995, 8241, 8405, 13065, 13735, 21853, 25215, 35711, 41205, 65559, 107133, 109265, 112627, 178555, 327795, 337881, 535665, 563135, 1464151, 1689405, 4392453, 7320755, 21962265]

約数ペア:

[(1, 21962265), (3, 7320755), (5, 4392453), (13, 1689405), (15, 1464151), (39, 563135), (41, 535665), (65, 337881), (67, 327795), (123, 178555), (195, 112627), (201, 109265), (205, 107133), (335, 65559), (533, 41205), (615, 35711), (871, 25215), (1005, 21853), (1599, 13735), (1681, 13065), (2613, 8405), (2665, 8241), (2747, 7995), (4355, 5043)]