21015896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3023}}^1$

素因数の和:3119

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22529704

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 158, 316, 632, 869, 1738, 3023, 3476, 6046, 6952, 12092, 24184, 33253, 66506, 133012, 238817, 266024, 477634, 955268, 1910536, 2626987, 5253974, 10507948, 21015896]

約数ペア:

[(1, 21015896), (2, 10507948), (4, 5253974), (8, 2626987), (11, 1910536), (22, 955268), (44, 477634), (79, 266024), (88, 238817), (158, 133012), (316, 66506), (632, 33253), (869, 24184), (1738, 12092), (3023, 6952), (3476, 6046)]