21726595

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 31726080

約数和(自身を除く): 9999485

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 323, 935, 1045, 1223, 1615, 3553, 6115, 13453, 17765, 20791, 23237, 67265, 103955, 116185, 228701, 255607, 395029, 1143505, 1278035, 1975145, 4345319, 21726595]

約数ペア:

[(1, 21726595), (5, 4345319), (11, 1975145), (17, 1278035), (19, 1143505), (55, 395029), (85, 255607), (95, 228701), (187, 116185), (209, 103955), (323, 67265), (935, 23237), (1045, 20791), (1223, 17765), (1615, 13453), (3553, 6115)]