21227205

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12983}}^1$

素因数の和:13100

約数の個数: 16

約数和(自身を含む): 34277760

約数和(自身を除く): 13050555

約数列:

[1, 3, 5, 15, 109, 327, 545, 1635, 12983, 38949, 64915, 194745, 1415147, 4245441, 7075735, 21227205]

約数ペア:

[(1, 21227205), (3, 7075735), (5, 4245441), (15, 1415147), (109, 194745), (327, 64915), (545, 38949), (1635, 12983)]