21284884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3517}}^1$

素因数の和:3627

約数の個数: 24

約数和(自身を含む): 39894120

約数和(自身を除く): 18609236

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 3517, 6052, 7034, 14068, 59789, 119578, 239156, 313013, 626026, 1252052, 5321221, 10642442, 21284884]

約数ペア:

[(1, 21284884), (2, 10642442), (4, 5321221), (17, 1252052), (34, 626026), (68, 313013), (89, 239156), (178, 119578), (356, 59789), (1513, 14068), (3026, 7034), (3517, 6052)]