21549684

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{138139}}^1$

素因数の和:138159

約数の個数: 24

約数和(自身を含む): 54150880

約数和(自身を除く): 32601196

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 138139, 276278, 414417, 552556, 828834, 1657668, 1795807, 3591614, 5387421, 7183228, 10774842, 21549684]

約数ペア:

[(1, 21549684), (2, 10774842), (3, 7183228), (4, 5387421), (6, 3591614), (12, 1795807), (13, 1657668), (26, 828834), (39, 552556), (52, 414417), (78, 276278), (156, 138139)]