21730744

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{13381}}^1$

素因数の和:13423

約数の個数: 32

約数和(自身を含む): 48175200

約数和(自身を除く): 26444456

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 13381, 26762, 53524, 93667, 107048, 187334, 374668, 388049, 749336, 776098, 1552196, 2716343, 3104392, 5432686, 10865372, 21730744]

約数ペア:

[(1, 21730744), (2, 10865372), (4, 5432686), (7, 3104392), (8, 2716343), (14, 1552196), (28, 776098), (29, 749336), (56, 388049), (58, 374668), (116, 187334), (203, 107048), (232, 93667), (406, 53524), (812, 26762), (1624, 13381)]