21143736

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9473}}^1$

素因数の和:9516

約数の個数: 48

約数和(自身を含む): 59117760

約数和(自身を除く): 37974024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 9473, 18946, 28419, 37892, 56838, 75784, 85257, 113676, 170514, 227352, 293663, 341028, 587326, 682056, 880989, 1174652, 1761978, 2349304, 2642967, 3523956, 5285934, 7047912, 10571868, 21143736]

約数ペア:

[(1, 21143736), (2, 10571868), (3, 7047912), (4, 5285934), (6, 3523956), (8, 2642967), (9, 2349304), (12, 1761978), (18, 1174652), (24, 880989), (31, 682056), (36, 587326), (62, 341028), (72, 293663), (93, 227352), (124, 170514), (186, 113676), (248, 85257), (279, 75784), (372, 56838), (558, 37892), (744, 28419), (1116, 18946), (2232, 9473)]