21009498

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 43122240

約数和(自身を除く): 22112742

約数列:

[1, 2, 3, 6, 61, 122, 137, 183, 274, 366, 411, 419, 822, 838, 1257, 2514, 8357, 16714, 25071, 25559, 50142, 51118, 57403, 76677, 114806, 153354, 172209, 344418, 3501583, 7003166, 10504749, 21009498]

約数ペア:

[(1, 21009498), (2, 10504749), (3, 7003166), (6, 3501583), (61, 344418), (122, 172209), (137, 153354), (183, 114806), (274, 76677), (366, 57403), (411, 51118), (419, 50142), (822, 25559), (838, 25071), (1257, 16714), (2514, 8357)]