21608344

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{569}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 20252456

約数列:

[1, 2, 4, 8, 47, 94, 101, 188, 202, 376, 404, 569, 808, 1138, 2276, 4552, 4747, 9494, 18988, 26743, 37976, 53486, 57469, 106972, 114938, 213944, 229876, 459752, 2701043, 5402086, 10804172, 21608344]

約数ペア:

[(1, 21608344), (2, 10804172), (4, 5402086), (8, 2701043), (47, 459752), (94, 229876), (101, 213944), (188, 114938), (202, 106972), (376, 57469), (404, 53486), (569, 37976), (808, 26743), (1138, 18988), (2276, 9494), (4552, 4747)]