21614060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1409}}^1$

素因数の和:1490

約数の個数: 48

約数和(自身を含む): 49744800

約数和(自身を除く): 28130740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1409, 1534, 2818, 3068, 3835, 5636, 7045, 7670, 14090, 15340, 18317, 28180, 36634, 73268, 83131, 91585, 166262, 183170, 332524, 366340, 415655, 831310, 1080703, 1662620, 2161406, 4322812, 5403515, 10807030, 21614060]

約数ペア:

[(1, 21614060), (2, 10807030), (4, 5403515), (5, 4322812), (10, 2161406), (13, 1662620), (20, 1080703), (26, 831310), (52, 415655), (59, 366340), (65, 332524), (118, 183170), (130, 166262), (236, 91585), (260, 83131), (295, 73268), (590, 36634), (767, 28180), (1180, 18317), (1409, 15340), (1534, 14090), (2818, 7670), (3068, 7045), (3835, 5636)]