21144456

素因数分解:

$2^3\times 3^3\times {\mathrm{53}}^1\times {\mathrm{1847}}^1$

素因数の和:1915

約数の個数: 64

約数和(自身を含む): 59875200

約数和(自身を除く): 38730744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 106, 108, 159, 212, 216, 318, 424, 477, 636, 954, 1272, 1431, 1847, 1908, 2862, 3694, 3816, 5541, 5724, 7388, 11082, 11448, 14776, 16623, 22164, 33246, 44328, 49869, 66492, 97891, 99738, 132984, 195782, 199476, 293673, 391564, 398952, 587346, 783128, 881019, 1174692, 1762038, 2349384, 2643057, 3524076, 5286114, 7048152, 10572228, 21144456]

約数ペア:

[(1, 21144456), (2, 10572228), (3, 7048152), (4, 5286114), (6, 3524076), (8, 2643057), (9, 2349384), (12, 1762038), (18, 1174692), (24, 881019), (27, 783128), (36, 587346), (53, 398952), (54, 391564), (72, 293673), (106, 199476), (108, 195782), (159, 132984), (212, 99738), (216, 97891), (318, 66492), (424, 49869), (477, 44328), (636, 33246), (954, 22164), (1272, 16623), (1431, 14776), (1847, 11448), (1908, 11082), (2862, 7388), (3694, 5724), (3816, 5541)]