21254190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{708473}}^1$

素因数の和:708483

約数の個数: 16

約数和(自身を含む): 51010128

約数和(自身を除く): 29755938

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 708473, 1416946, 2125419, 3542365, 4250838, 7084730, 10627095, 21254190]

約数ペア:

[(1, 21254190), (2, 10627095), (3, 7084730), (5, 4250838), (6, 3542365), (10, 2125419), (15, 1416946), (30, 708473)]