21394510

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1091}}^1$

素因数の和:1188

約数の個数: 32

約数和(自身を含む): 40334112

約数和(自身を除く): 18939602

約数列:

[1, 2, 5, 10, 37, 53, 74, 106, 185, 265, 370, 530, 1091, 1961, 2182, 3922, 5455, 9805, 10910, 19610, 40367, 57823, 80734, 115646, 201835, 289115, 403670, 578230, 2139451, 4278902, 10697255, 21394510]

約数ペア:

[(1, 21394510), (2, 10697255), (5, 4278902), (10, 2139451), (37, 578230), (53, 403670), (74, 289115), (106, 201835), (185, 115646), (265, 80734), (370, 57823), (530, 40367), (1091, 19610), (1961, 10910), (2182, 9805), (3922, 5455)]