21544310

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 39789792

約数和(自身を除く): 18245482

約数列:

[1, 2, 5, 10, 83, 101, 166, 202, 257, 415, 505, 514, 830, 1010, 1285, 2570, 8383, 16766, 21331, 25957, 41915, 42662, 51914, 83830, 106655, 129785, 213310, 259570, 2154431, 4308862, 10772155, 21544310]

約数ペア:

[(1, 21544310), (2, 10772155), (5, 4308862), (10, 2154431), (83, 259570), (101, 213310), (166, 129785), (202, 106655), (257, 83830), (415, 51914), (505, 42662), (514, 41915), (830, 25957), (1010, 21331), (1285, 16766), (2570, 8383)]