21372528

素因数分解:

$2^4\times 3^1\times {\mathrm{445261}}^1$

素因数の和:445272

約数の個数: 20

約数和(自身を含む): 55212488

約数和(自身を除く): 33839960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445261, 890522, 1335783, 1781044, 2671566, 3562088, 5343132, 7124176, 10686264, 21372528]

約数ペア:

[(1, 21372528), (2, 10686264), (3, 7124176), (4, 5343132), (6, 3562088), (8, 2671566), (12, 1781044), (16, 1335783), (24, 890522), (48, 445261)]