21988902

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{9721}}^1$

素因数の和:9768

約数の個数: 32

約数和(自身を含む): 48998880

約数和(自身を除く): 27009978

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 174, 377, 754, 1131, 2262, 9721, 19442, 29163, 58326, 126373, 252746, 281909, 379119, 563818, 758238, 845727, 1691454, 3664817, 7329634, 10994451, 21988902]

約数ペア:

[(1, 21988902), (2, 10994451), (3, 7329634), (6, 3664817), (13, 1691454), (26, 845727), (29, 758238), (39, 563818), (58, 379119), (78, 281909), (87, 252746), (174, 126373), (377, 58326), (754, 29163), (1131, 19442), (2262, 9721)]