21992230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1013}}^1$

素因数の和:1200

約数の個数: 32

約数和(自身を含む): 42928704

約数和(自身を除く): 20936474

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 167, 334, 835, 1013, 1670, 2026, 2171, 4342, 5065, 10130, 10855, 13169, 21710, 26338, 65845, 131690, 169171, 338342, 845855, 1691710, 2199223, 4398446, 10996115, 21992230]

約数ペア:

[(1, 21992230), (2, 10996115), (5, 4398446), (10, 2199223), (13, 1691710), (26, 845855), (65, 338342), (130, 169171), (167, 131690), (334, 65845), (835, 26338), (1013, 21710), (1670, 13169), (2026, 10855), (2171, 10130), (4342, 5065)]