21233004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1039}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 53813760

約数和(自身を除く): 32580756

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 131, 156, 262, 393, 524, 786, 1039, 1572, 1703, 2078, 3117, 3406, 4156, 5109, 6234, 6812, 10218, 12468, 13507, 20436, 27014, 40521, 54028, 81042, 136109, 162084, 272218, 408327, 544436, 816654, 1633308, 1769417, 3538834, 5308251, 7077668, 10616502, 21233004]

約数ペア:

[(1, 21233004), (2, 10616502), (3, 7077668), (4, 5308251), (6, 3538834), (12, 1769417), (13, 1633308), (26, 816654), (39, 544436), (52, 408327), (78, 272218), (131, 162084), (156, 136109), (262, 81042), (393, 54028), (524, 40521), (786, 27014), (1039, 20436), (1572, 13507), (1703, 12468), (2078, 10218), (3117, 6812), (3406, 6234), (4156, 5109)]