21193084

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 44362080

約数和(自身を除く): 23168996

約数列:

[1, 2, 4, 11, 17, 22, 29, 34, 44, 58, 68, 116, 187, 319, 374, 493, 638, 748, 977, 986, 1276, 1954, 1972, 3908, 5423, 10747, 10846, 16609, 21494, 21692, 28333, 33218, 42988, 56666, 66436, 113332, 182699, 311663, 365398, 481661, 623326, 730796, 963322, 1246652, 1926644, 5298271, 10596542, 21193084]

約数ペア:

[(1, 21193084), (2, 10596542), (4, 5298271), (11, 1926644), (17, 1246652), (22, 963322), (29, 730796), (34, 623326), (44, 481661), (58, 365398), (68, 311663), (116, 182699), (187, 113332), (319, 66436), (374, 56666), (493, 42988), (638, 33218), (748, 28333), (977, 21692), (986, 21494), (1276, 16609), (1954, 10846), (1972, 10747), (3908, 5423)]