21372064

素因数分解:

$2^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1307}}^1$

素因数の和:1397

約数の個数: 48

約数和(自身を含む): 48783168

約数和(自身を除く): 27411104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 73, 112, 146, 224, 292, 511, 584, 1022, 1168, 1307, 2044, 2336, 2614, 4088, 5228, 8176, 9149, 10456, 16352, 18298, 20912, 36596, 41824, 73192, 95411, 146384, 190822, 292768, 381644, 667877, 763288, 1335754, 1526576, 2671508, 3053152, 5343016, 10686032, 21372064]

約数ペア:

[(1, 21372064), (2, 10686032), (4, 5343016), (7, 3053152), (8, 2671508), (14, 1526576), (16, 1335754), (28, 763288), (32, 667877), (56, 381644), (73, 292768), (112, 190822), (146, 146384), (224, 95411), (292, 73192), (511, 41824), (584, 36596), (1022, 20912), (1168, 18298), (1307, 16352), (2044, 10456), (2336, 9149), (2614, 8176), (4088, 5228)]