21852820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5843}}^1$

素因数の和:5880

約数の個数: 48

約数和(自身を含む): 53016768

約数和(自身を除く): 31163948

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5843, 11686, 23372, 29215, 58430, 64273, 99331, 116860, 128546, 198662, 257092, 321365, 397324, 496655, 642730, 993310, 1092641, 1285460, 1986620, 2185282, 4370564, 5463205, 10926410, 21852820]

約数ペア:

[(1, 21852820), (2, 10926410), (4, 5463205), (5, 4370564), (10, 2185282), (11, 1986620), (17, 1285460), (20, 1092641), (22, 993310), (34, 642730), (44, 496655), (55, 397324), (68, 321365), (85, 257092), (110, 198662), (170, 128546), (187, 116860), (220, 99331), (340, 64273), (374, 58430), (748, 29215), (935, 23372), (1870, 11686), (3740, 5843)]