21820128

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{20663}}^1$

素因数の和:20687

約数の個数: 48

約数和(自身を含む): 62487936

約数和(自身を除く): 40667808

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 20663, 41326, 61989, 82652, 123978, 165304, 227293, 247956, 330608, 454586, 495912, 661216, 681879, 909172, 991824, 1363758, 1818344, 1983648, 2727516, 3636688, 5455032, 7273376, 10910064, 21820128]

約数ペア:

[(1, 21820128), (2, 10910064), (3, 7273376), (4, 5455032), (6, 3636688), (8, 2727516), (11, 1983648), (12, 1818344), (16, 1363758), (22, 991824), (24, 909172), (32, 681879), (33, 661216), (44, 495912), (48, 454586), (66, 330608), (88, 247956), (96, 227293), (132, 165304), (176, 123978), (264, 82652), (352, 61989), (528, 41326), (1056, 20663)]