21523224

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 57853440

約数和(自身を除く): 36330216

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 71, 102, 136, 142, 204, 213, 284, 408, 426, 568, 743, 852, 1207, 1486, 1704, 2229, 2414, 2972, 3621, 4458, 4828, 5944, 7242, 8916, 9656, 12631, 14484, 17832, 25262, 28968, 37893, 50524, 52753, 75786, 101048, 105506, 151572, 158259, 211012, 303144, 316518, 422024, 633036, 896801, 1266072, 1793602, 2690403, 3587204, 5380806, 7174408, 10761612, 21523224]

約数ペア:

[(1, 21523224), (2, 10761612), (3, 7174408), (4, 5380806), (6, 3587204), (8, 2690403), (12, 1793602), (17, 1266072), (24, 896801), (34, 633036), (51, 422024), (68, 316518), (71, 303144), (102, 211012), (136, 158259), (142, 151572), (204, 105506), (213, 101048), (284, 75786), (408, 52753), (426, 50524), (568, 37893), (743, 28968), (852, 25262), (1207, 17832), (1486, 14484), (1704, 12631), (2229, 9656), (2414, 8916), (2972, 7242), (3621, 5944), (4458, 4828)]