21459135

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5279}}^1$

素因数の和:5558

約数の個数: 16

約数和(自身を含む): 34467840

約数和(自身を除く): 13008705

約数列:

[1, 3, 5, 15, 271, 813, 1355, 4065, 5279, 15837, 26395, 79185, 1430609, 4291827, 7153045, 21459135]

約数ペア:

[(1, 21459135), (3, 7153045), (5, 4291827), (15, 1430609), (271, 79185), (813, 26395), (1355, 15837), (4065, 5279)]