21688100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{30983}}^1$

素因数の和:31004

約数の個数: 36

約数和(自身を含む): 53788224

約数和(自身を除く): 32100124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 30983, 61966, 123932, 154915, 216881, 309830, 433762, 619660, 774575, 867524, 1084405, 1549150, 2168810, 3098300, 4337620, 5422025, 10844050, 21688100]

約数ペア:

[(1, 21688100), (2, 10844050), (4, 5422025), (5, 4337620), (7, 3098300), (10, 2168810), (14, 1549150), (20, 1084405), (25, 867524), (28, 774575), (35, 619660), (50, 433762), (70, 309830), (100, 216881), (140, 154915), (175, 123932), (350, 61966), (700, 30983)]