21411338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 36363600

約数和(自身を除く): 14952262

約数列:

[1, 2, 13, 26, 29, 58, 73, 146, 377, 389, 754, 778, 949, 1898, 2117, 4234, 5057, 10114, 11281, 22562, 27521, 28397, 55042, 56794, 146653, 293306, 369161, 738322, 823513, 1647026, 10705669, 21411338]

約数ペア:

[(1, 21411338), (2, 10705669), (13, 1647026), (26, 823513), (29, 738322), (58, 369161), (73, 293306), (146, 146653), (377, 56794), (389, 55042), (754, 28397), (778, 27521), (949, 22562), (1898, 11281), (2117, 10114), (4234, 5057)]