21541652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{929}}^1$

素因数の和:992

約数の個数: 48

約数和(自身を含む): 44997120

約数和(自身を除く): 23455468

約数列:

[1, 2, 4, 11, 17, 22, 31, 34, 44, 62, 68, 124, 187, 341, 374, 527, 682, 748, 929, 1054, 1364, 1858, 2108, 3716, 5797, 10219, 11594, 15793, 20438, 23188, 28799, 31586, 40876, 57598, 63172, 115196, 173723, 316789, 347446, 489583, 633578, 694892, 979166, 1267156, 1958332, 5385413, 10770826, 21541652]

約数ペア:

[(1, 21541652), (2, 10770826), (4, 5385413), (11, 1958332), (17, 1267156), (22, 979166), (31, 694892), (34, 633578), (44, 489583), (62, 347446), (68, 316789), (124, 173723), (187, 115196), (341, 63172), (374, 57598), (527, 40876), (682, 31586), (748, 28799), (929, 23188), (1054, 20438), (1364, 15793), (1858, 11594), (2108, 10219), (3716, 5797)]