21796684

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 47331648

約数和(自身を除く): 25534964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 233, 257, 364, 466, 514, 932, 1028, 1631, 1799, 3029, 3262, 3341, 3598, 6058, 6524, 6682, 7196, 12116, 13364, 21203, 23387, 42406, 46774, 59881, 84812, 93548, 119762, 239524, 419167, 778453, 838334, 1556906, 1676668, 3113812, 5449171, 10898342, 21796684]

約数ペア:

[(1, 21796684), (2, 10898342), (4, 5449171), (7, 3113812), (13, 1676668), (14, 1556906), (26, 838334), (28, 778453), (52, 419167), (91, 239524), (182, 119762), (233, 93548), (257, 84812), (364, 59881), (466, 46774), (514, 42406), (932, 23387), (1028, 21203), (1631, 13364), (1799, 12116), (3029, 7196), (3262, 6682), (3341, 6524), (3598, 6058)]