21210571010

素因数分解:

$2^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{11105011}}^1$

素因数の和:11105209

約数の個数: 16

約数和(自身を含む): 38378921472

約数和(自身を除く): 17168350462

約数列:

[1, 2, 5, 10, 191, 382, 955, 1910, 11105011, 22210022, 55525055, 111050110, 2121057101, 4242114202, 10605285505, 21210571010]

約数ペア:

[(1, 21210571010), (2, 10605285505), (5, 4242114202), (10, 2121057101), (191, 111050110), (382, 55525055), (955, 22210022), (1910, 11105011)]