21472230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55057}}^1$

素因数の和:55080

約数の個数: 32

約数和(自身を含む): 55498464

約数和(自身を除く): 34026234

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 55057, 110114, 165171, 275285, 330342, 550570, 715741, 825855, 1431482, 1651710, 2147223, 3578705, 4294446, 7157410, 10736115, 21472230]

約数ペア:

[(1, 21472230), (2, 10736115), (3, 7157410), (5, 4294446), (6, 3578705), (10, 2147223), (13, 1651710), (15, 1431482), (26, 825855), (30, 715741), (39, 550570), (65, 330342), (78, 275285), (130, 165171), (195, 110114), (390, 55057)]