21167659210

素因数分解:

$2^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{6895003}}^1$

素因数の和:6895317

約数の個数: 16

約数和(自身を含む): 38225902176

約数和(自身を除く): 17058242966

約数列:

[1, 2, 5, 10, 307, 614, 1535, 3070, 6895003, 13790006, 34475015, 68950030, 2116765921, 4233531842, 10583829605, 21167659210]

約数ペア:

[(1, 21167659210), (2, 10583829605), (5, 4233531842), (10, 2116765921), (307, 68950030), (614, 34475015), (1535, 13790006), (3070, 6895003)]