21918770

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{607}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 41499648

約数和(自身を除く): 19580878

約数列:

[1, 2, 5, 10, 23, 46, 115, 157, 230, 314, 607, 785, 1214, 1570, 3035, 3611, 6070, 7222, 13961, 18055, 27922, 36110, 69805, 95299, 139610, 190598, 476495, 952990, 2191877, 4383754, 10959385, 21918770]

約数ペア:

[(1, 21918770), (2, 10959385), (5, 4383754), (10, 2191877), (23, 952990), (46, 476495), (115, 190598), (157, 139610), (230, 95299), (314, 69805), (607, 36110), (785, 27922), (1214, 18055), (1570, 13961), (3035, 7222), (3611, 6070)]