21575907

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4549}}^1$

素因数の和:4603

約数の個数: 24

約数和(自身を含む): 34070400

約数和(自身を除く): 12494493

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4549, 4743, 13647, 40941, 77333, 141019, 231999, 423057, 695997, 1269171, 2397323, 7191969, 21575907]

約数ペア:

[(1, 21575907), (3, 7191969), (9, 2397323), (17, 1269171), (31, 695997), (51, 423057), (93, 231999), (153, 141019), (279, 77333), (527, 40941), (1581, 13647), (4549, 4743)]