21901474

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4001}}^1$

素因数の和:4050

約数の個数: 32

約数和(自身を含む): 41492736

約数和(自身を除く): 19591262

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 161, 238, 322, 391, 782, 2737, 4001, 5474, 8002, 28007, 56014, 68017, 92023, 136034, 184046, 476119, 644161, 952238, 1288322, 1564391, 3128782, 10950737, 21901474]

約数ペア:

[(1, 21901474), (2, 10950737), (7, 3128782), (14, 1564391), (17, 1288322), (23, 952238), (34, 644161), (46, 476119), (119, 184046), (161, 136034), (238, 92023), (322, 68017), (391, 56014), (782, 28007), (2737, 8002), (4001, 5474)]