21880470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17789}}^1$

素因数の和:17840

約数の個数: 32

約数和(自身を含む): 53796960

約数和(自身を除く): 31916490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 17789, 35578, 53367, 88945, 106734, 177890, 266835, 533670, 729349, 1458698, 2188047, 3646745, 4376094, 7293490, 10940235, 21880470]

約数ペア:

[(1, 21880470), (2, 10940235), (3, 7293490), (5, 4376094), (6, 3646745), (10, 2188047), (15, 1458698), (30, 729349), (41, 533670), (82, 266835), (123, 177890), (205, 106734), (246, 88945), (410, 53367), (615, 35578), (1230, 17789)]