21006592

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2647}}^1$

素因数の和:2694

約数の個数: 36

約数和(自身を含む): 43300096

約数和(自身を除く): 22293504

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2647, 3968, 5294, 7936, 10588, 21176, 42352, 82057, 84704, 164114, 169408, 328228, 338816, 656456, 677632, 1312912, 2625824, 5251648, 10503296, 21006592]

約数ペア:

[(1, 21006592), (2, 10503296), (4, 5251648), (8, 2625824), (16, 1312912), (31, 677632), (32, 656456), (62, 338816), (64, 328228), (124, 169408), (128, 164114), (248, 84704), (256, 82057), (496, 42352), (992, 21176), (1984, 10588), (2647, 7936), (3968, 5294)]