21958398

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5281}}^1$

素因数の和:5310

約数の個数: 64

約数和(自身を含む): 60848640

約数和(自身を除く): 38890242

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 126, 154, 189, 198, 231, 297, 378, 462, 594, 693, 1386, 2079, 4158, 5281, 10562, 15843, 31686, 36967, 47529, 58091, 73934, 95058, 110901, 116182, 142587, 174273, 221802, 285174, 332703, 348546, 406637, 522819, 665406, 813274, 998109, 1045638, 1219911, 1568457, 1996218, 2439822, 3136914, 3659733, 7319466, 10979199, 21958398]

約数ペア:

[(1, 21958398), (2, 10979199), (3, 7319466), (6, 3659733), (7, 3136914), (9, 2439822), (11, 1996218), (14, 1568457), (18, 1219911), (21, 1045638), (22, 998109), (27, 813274), (33, 665406), (42, 522819), (54, 406637), (63, 348546), (66, 332703), (77, 285174), (99, 221802), (126, 174273), (154, 142587), (189, 116182), (198, 110901), (231, 95058), (297, 73934), (378, 58091), (462, 47529), (594, 36967), (693, 31686), (1386, 15843), (2079, 10562), (4158, 5281)]