21479130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{238657}}^1$

素因数の和:238670

約数の個数: 24

約数和(自身を含む): 55845972

約数和(自身を除く): 34366842

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 238657, 477314, 715971, 1193285, 1431942, 2147913, 2386570, 3579855, 4295826, 7159710, 10739565, 21479130]

約数ペア:

[(1, 21479130), (2, 10739565), (3, 7159710), (5, 4295826), (6, 3579855), (9, 2386570), (10, 2147913), (15, 1431942), (18, 1193285), (30, 715971), (45, 477314), (90, 238657)]