21066112

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5309}}^1$

素因数の和:5354

約数の個数: 32

約数和(自身を含む): 43329600

約数和(自身を除く): 22263488

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5309, 10618, 21236, 42472, 84944, 164579, 169888, 329158, 339776, 658316, 679552, 1316632, 2633264, 5266528, 10533056, 21066112]

約数ペア:

[(1, 21066112), (2, 10533056), (4, 5266528), (8, 2633264), (16, 1316632), (31, 679552), (32, 658316), (62, 339776), (64, 329158), (124, 169888), (128, 164579), (248, 84944), (496, 42472), (992, 21236), (1984, 10618), (3968, 5309)]