21172830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{100823}}^1$

素因数の和:100840

約数の個数: 32

約数和(自身を含む): 58074624

約数和(自身を除く): 36901794

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 100823, 201646, 302469, 504115, 604938, 705761, 1008230, 1411522, 1512345, 2117283, 3024690, 3528805, 4234566, 7057610, 10586415, 21172830]

約数ペア:

[(1, 21172830), (2, 10586415), (3, 7057610), (5, 4234566), (6, 3528805), (7, 3024690), (10, 2117283), (14, 1512345), (15, 1411522), (21, 1008230), (30, 705761), (35, 604938), (42, 504115), (70, 302469), (105, 201646), (210, 100823)]