21997786

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{7549}}^1$

素因数の和:7629

約数の個数: 16

約数和(自身を含む): 34790400

約数和(自身を除く): 12792614

約数列:

[1, 2, 31, 47, 62, 94, 1457, 2914, 7549, 15098, 234019, 354803, 468038, 709606, 10998893, 21997786]

約数ペア:

[(1, 21997786), (2, 10998893), (31, 709606), (47, 468038), (62, 354803), (94, 234019), (1457, 15098), (2914, 7549)]