21580174

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8243}}^1$

素因数の和:8280

約数の個数: 32

約数和(自身を含む): 42736896

約数和(自身を除く): 21156722

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 187, 238, 374, 1309, 2618, 8243, 16486, 57701, 90673, 115402, 140131, 181346, 280262, 634711, 980917, 1269422, 1541441, 1961834, 3082882, 10790087, 21580174]

約数ペア:

[(1, 21580174), (2, 10790087), (7, 3082882), (11, 1961834), (14, 1541441), (17, 1269422), (22, 980917), (34, 634711), (77, 280262), (119, 181346), (154, 140131), (187, 115402), (238, 90673), (374, 57701), (1309, 16486), (2618, 8243)]