21599856

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2459}}^1$

素因数の和:2534

約数の個数: 60

約数和(自身を含む): 61465560

約数和(自身を除く): 39865704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2459, 2928, 4392, 4918, 7377, 8784, 9836, 14754, 19672, 22131, 29508, 39344, 44262, 59016, 88524, 118032, 149999, 177048, 299998, 354096, 449997, 599996, 899994, 1199992, 1349991, 1799988, 2399984, 2699982, 3599976, 5399964, 7199952, 10799928, 21599856]

約数ペア:

[(1, 21599856), (2, 10799928), (3, 7199952), (4, 5399964), (6, 3599976), (8, 2699982), (9, 2399984), (12, 1799988), (16, 1349991), (18, 1199992), (24, 899994), (36, 599996), (48, 449997), (61, 354096), (72, 299998), (122, 177048), (144, 149999), (183, 118032), (244, 88524), (366, 59016), (488, 44262), (549, 39344), (732, 29508), (976, 22131), (1098, 19672), (1464, 14754), (2196, 9836), (2459, 8784), (2928, 7377), (4392, 4918)]