21733075

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 34122816

約数和(自身を除く): 12389741

約数列:

[1, 5, 7, 13, 25, 35, 41, 65, 91, 175, 205, 233, 287, 325, 455, 533, 1025, 1165, 1435, 1631, 2275, 2665, 3029, 3731, 5825, 7175, 8155, 9553, 13325, 15145, 18655, 21203, 40775, 47765, 66871, 75725, 93275, 106015, 124189, 238825, 334355, 530075, 620945, 869323, 1671775, 3104725, 4346615, 21733075]

約数ペア:

[(1, 21733075), (5, 4346615), (7, 3104725), (13, 1671775), (25, 869323), (35, 620945), (41, 530075), (65, 334355), (91, 238825), (175, 124189), (205, 106015), (233, 93275), (287, 75725), (325, 66871), (455, 47765), (533, 40775), (1025, 21203), (1165, 18655), (1435, 15145), (1631, 13325), (2275, 9553), (2665, 8155), (3029, 7175), (3731, 5825)]