21053510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 39813120

約数和(自身を除く): 18759610

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 239, 383, 478, 766, 1195, 1915, 2390, 3830, 5497, 8809, 10994, 17618, 27485, 44045, 54970, 88090, 91537, 183074, 457685, 915370, 2105351, 4210702, 10526755, 21053510]

約数ペア:

[(1, 21053510), (2, 10526755), (5, 4210702), (10, 2105351), (23, 915370), (46, 457685), (115, 183074), (230, 91537), (239, 88090), (383, 54970), (478, 44045), (766, 27485), (1195, 17618), (1915, 10994), (2390, 8809), (3830, 5497)]