21100572

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{11059}}^1$

素因数の和:11122

約数の個数: 36

約数和(自身を含む): 54348840

約数和(自身を除く): 33248268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 11059, 22118, 33177, 44236, 66354, 99531, 132708, 199062, 398124, 586127, 1172254, 1758381, 2344508, 3516762, 5275143, 7033524, 10550286, 21100572]

約数ペア:

[(1, 21100572), (2, 10550286), (3, 7033524), (4, 5275143), (6, 3516762), (9, 2344508), (12, 1758381), (18, 1172254), (36, 586127), (53, 398124), (106, 199062), (159, 132708), (212, 99531), (318, 66354), (477, 44236), (636, 33177), (954, 22118), (1908, 11059)]