21779070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16883}}^1$

素因数の和:16936

約数の個数: 32

約数和(自身を含む): 53488512

約数和(自身を除く): 31709442

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 16883, 33766, 50649, 84415, 101298, 168830, 253245, 506490, 725969, 1451938, 2177907, 3629845, 4355814, 7259690, 10889535, 21779070]

約数ペア:

[(1, 21779070), (2, 10889535), (3, 7259690), (5, 4355814), (6, 3629845), (10, 2177907), (15, 1451938), (30, 725969), (43, 506490), (86, 253245), (129, 168830), (215, 101298), (258, 84415), (430, 50649), (645, 33766), (1290, 16883)]