21283428

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 30084252

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 181, 239, 246, 362, 478, 492, 543, 717, 724, 956, 1086, 1434, 2172, 2868, 7421, 9799, 14842, 19598, 22263, 29397, 29684, 39196, 43259, 44526, 58794, 86518, 89052, 117588, 129777, 173036, 259554, 519108, 1773619, 3547238, 5320857, 7094476, 10641714, 21283428]

約数ペア:

[(1, 21283428), (2, 10641714), (3, 7094476), (4, 5320857), (6, 3547238), (12, 1773619), (41, 519108), (82, 259554), (123, 173036), (164, 129777), (181, 117588), (239, 89052), (246, 86518), (362, 58794), (478, 44526), (492, 43259), (543, 39196), (717, 29684), (724, 29397), (956, 22263), (1086, 19598), (1434, 14842), (2172, 9799), (2868, 7421)]