21195748

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4229}}^1$

素因数の和:4419

約数の個数: 24

約数和(自身を含む): 42638400

約数和(自身を除く): 21442652

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 4229, 5012, 8458, 16916, 29603, 59206, 118412, 756991, 1513982, 3027964, 5298937, 10597874, 21195748]

約数ペア:

[(1, 21195748), (2, 10597874), (4, 5298937), (7, 3027964), (14, 1513982), (28, 756991), (179, 118412), (358, 59206), (716, 29603), (1253, 16916), (2506, 8458), (4229, 5012)]