21122374

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2699}}^1$

素因数の和:2764

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 18794426

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 182, 301, 559, 602, 1118, 2699, 3913, 5398, 7826, 18893, 35087, 37786, 70174, 116057, 232114, 245609, 491218, 812399, 1508741, 1624798, 3017482, 10561187, 21122374]

約数ペア:

[(1, 21122374), (2, 10561187), (7, 3017482), (13, 1624798), (14, 1508741), (26, 812399), (43, 491218), (86, 245609), (91, 232114), (182, 116057), (301, 70174), (559, 37786), (602, 35087), (1118, 18893), (2699, 7826), (3913, 5398)]