21530982

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 48416256

約数和(自身を除く): 26885274

約数列:

[1, 2, 3, 6, 11, 22, 33, 47, 66, 94, 121, 141, 242, 282, 363, 517, 631, 726, 1034, 1262, 1551, 1893, 3102, 3786, 5687, 6941, 11374, 13882, 17061, 20823, 29657, 34122, 41646, 59314, 76351, 88971, 152702, 177942, 229053, 326227, 458106, 652454, 978681, 1957362, 3588497, 7176994, 10765491, 21530982]

約数ペア:

[(1, 21530982), (2, 10765491), (3, 7176994), (6, 3588497), (11, 1957362), (22, 978681), (33, 652454), (47, 458106), (66, 326227), (94, 229053), (121, 177942), (141, 152702), (242, 88971), (282, 76351), (363, 59314), (517, 41646), (631, 34122), (726, 29657), (1034, 20823), (1262, 17061), (1551, 13882), (1893, 11374), (3102, 6941), (3786, 5687)]