21100140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{117223}}^1$

素因数の和:117238

約数の個数: 36

約数和(自身を含む): 64004304

約数和(自身を除く): 42904164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 117223, 234446, 351669, 468892, 586115, 703338, 1055007, 1172230, 1406676, 1758345, 2110014, 2344460, 3516690, 4220028, 5275035, 7033380, 10550070, 21100140]

約数ペア:

[(1, 21100140), (2, 10550070), (3, 7033380), (4, 5275035), (5, 4220028), (6, 3516690), (9, 2344460), (10, 2110014), (12, 1758345), (15, 1406676), (18, 1172230), (20, 1055007), (30, 703338), (36, 586115), (45, 468892), (60, 351669), (90, 234446), (180, 117223)]