21032984

素因数分解:

$2^3\times 7^1\times {\mathrm{379}}^1\times {\mathrm{991}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 45235200

約数和(自身を除く): 24202216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 379, 758, 991, 1516, 1982, 2653, 3032, 3964, 5306, 6937, 7928, 10612, 13874, 21224, 27748, 55496, 375589, 751178, 1502356, 2629123, 3004712, 5258246, 10516492, 21032984]

約数ペア:

[(1, 21032984), (2, 10516492), (4, 5258246), (7, 3004712), (8, 2629123), (14, 1502356), (28, 751178), (56, 375589), (379, 55496), (758, 27748), (991, 21224), (1516, 13874), (1982, 10612), (2653, 7928), (3032, 6937), (3964, 5306)]