21698196

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139091}}^1$

素因数の和:139111

約数の個数: 24

約数和(自身を含む): 54524064

約数和(自身を除く): 32825868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 139091, 278182, 417273, 556364, 834546, 1669092, 1808183, 3616366, 5424549, 7232732, 10849098, 21698196]

約数ペア:

[(1, 21698196), (2, 10849098), (3, 7232732), (4, 5424549), (6, 3616366), (12, 1808183), (13, 1669092), (26, 834546), (39, 556364), (52, 417273), (78, 278182), (156, 139091)]