21881712

素因数分解:

$2^4\times 3^1\times {\mathrm{151}}^1\times {\mathrm{3019}}^1$

素因数の和:3181

約数の個数: 40

約数和(自身を含む): 56920960

約数和(自身を除く): 35039248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 151, 302, 453, 604, 906, 1208, 1812, 2416, 3019, 3624, 6038, 7248, 9057, 12076, 18114, 24152, 36228, 48304, 72456, 144912, 455869, 911738, 1367607, 1823476, 2735214, 3646952, 5470428, 7293904, 10940856, 21881712]

約数ペア:

[(1, 21881712), (2, 10940856), (3, 7293904), (4, 5470428), (6, 3646952), (8, 2735214), (12, 1823476), (16, 1367607), (24, 911738), (48, 455869), (151, 144912), (302, 72456), (453, 48304), (604, 36228), (906, 24152), (1208, 18114), (1812, 12076), (2416, 9057), (3019, 7248), (3624, 6038)]