21530790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239231}}^1$

素因数の和:239244

約数の個数: 24

約数和(自身を含む): 55980288

約数和(自身を除く): 34449498

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239231, 478462, 717693, 1196155, 1435386, 2153079, 2392310, 3588465, 4306158, 7176930, 10765395, 21530790]

約数ペア:

[(1, 21530790), (2, 10765395), (3, 7176930), (5, 4306158), (6, 3588465), (9, 2392310), (10, 2153079), (15, 1435386), (18, 1196155), (30, 717693), (45, 478462), (90, 239231)]