21447018

素因数分解:

$2^1\times 3^4\times {\mathrm{41}}^1\times {\mathrm{3229}}^1$

素因数の和:3284

約数の個数: 40

約数和(自身を含む): 49244580

約数和(自身を除く): 27797562

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 246, 369, 738, 1107, 2214, 3229, 3321, 6458, 6642, 9687, 19374, 29061, 58122, 87183, 132389, 174366, 261549, 264778, 397167, 523098, 794334, 1191501, 2383002, 3574503, 7149006, 10723509, 21447018]

約数ペア:

[(1, 21447018), (2, 10723509), (3, 7149006), (6, 3574503), (9, 2383002), (18, 1191501), (27, 794334), (41, 523098), (54, 397167), (81, 264778), (82, 261549), (123, 174366), (162, 132389), (246, 87183), (369, 58122), (738, 29061), (1107, 19374), (2214, 9687), (3229, 6642), (3321, 6458)]