21141014

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{1163}}^1$

素因数の和:1375

約数の個数: 16

約数和(自身を含む): 32475600

約数和(自身を除く): 11334586

約数列:

[1, 2, 61, 122, 149, 298, 1163, 2326, 9089, 18178, 70943, 141886, 173287, 346574, 10570507, 21141014]

約数ペア:

[(1, 21141014), (2, 10570507), (61, 346574), (122, 173287), (149, 141886), (298, 70943), (1163, 18178), (2326, 9089)]