21860944

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10273}}^1$

素因数の和:10307

約数の個数: 40

約数和(自身を含む): 50959040

約数和(自身を除く): 29098096

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 10273, 20546, 41092, 71911, 82184, 143822, 164368, 195187, 287644, 390374, 575288, 780748, 1150576, 1366309, 1561496, 2732618, 3122992, 5465236, 10930472, 21860944]

約数ペア:

[(1, 21860944), (2, 10930472), (4, 5465236), (7, 3122992), (8, 2732618), (14, 1561496), (16, 1366309), (19, 1150576), (28, 780748), (38, 575288), (56, 390374), (76, 287644), (112, 195187), (133, 164368), (152, 143822), (266, 82184), (304, 71911), (532, 41092), (1064, 20546), (2128, 10273)]