21889036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{827}}^1$

素因数の和:1353

約数の個数: 24

約数和(自身を含む): 41383440

約数和(自身を除く): 19494404

約数列:

[1, 2, 4, 13, 26, 52, 509, 827, 1018, 1654, 2036, 3308, 6617, 10751, 13234, 21502, 26468, 43004, 420943, 841886, 1683772, 5472259, 10944518, 21889036]

約数ペア:

[(1, 21889036), (2, 10944518), (4, 5472259), (13, 1683772), (26, 841886), (52, 420943), (509, 43004), (827, 26468), (1018, 21502), (1654, 13234), (2036, 10751), (3308, 6617)]