21320436

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1549}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 52774400

約数和(自身を除く): 31453964

約数列:

[1, 2, 3, 4, 6, 12, 31, 37, 62, 74, 93, 111, 124, 148, 186, 222, 372, 444, 1147, 1549, 2294, 3098, 3441, 4588, 4647, 6196, 6882, 9294, 13764, 18588, 48019, 57313, 96038, 114626, 144057, 171939, 192076, 229252, 288114, 343878, 576228, 687756, 1776703, 3553406, 5330109, 7106812, 10660218, 21320436]

約数ペア:

[(1, 21320436), (2, 10660218), (3, 7106812), (4, 5330109), (6, 3553406), (12, 1776703), (31, 687756), (37, 576228), (62, 343878), (74, 288114), (93, 229252), (111, 192076), (124, 171939), (148, 144057), (186, 114626), (222, 96038), (372, 57313), (444, 48019), (1147, 18588), (1549, 13764), (2294, 9294), (3098, 6882), (3441, 6196), (4588, 4647)]