21641658

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{379}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 44943360

約数和(自身を除く): 23301702

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 307, 379, 614, 758, 921, 1137, 1842, 2274, 9517, 11749, 19034, 23498, 28551, 35247, 57102, 70494, 116353, 232706, 349059, 698118, 3606943, 7213886, 10820829, 21641658]

約数ペア:

[(1, 21641658), (2, 10820829), (3, 7213886), (6, 3606943), (31, 698118), (62, 349059), (93, 232706), (186, 116353), (307, 70494), (379, 57102), (614, 35247), (758, 28551), (921, 23498), (1137, 19034), (1842, 11749), (2274, 9517)]