21407358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509699}}^1$

素因数の和:509711

約数の個数: 16

約数和(自身を含む): 48931200

約数和(自身を除く): 27523842

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509699, 1019398, 1529097, 3058194, 3567893, 7135786, 10703679, 21407358]

約数ペア:

[(1, 21407358), (2, 10703679), (3, 7135786), (6, 3567893), (7, 3058194), (14, 1529097), (21, 1019398), (42, 509699)]