21878835

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1367}}^1$

素因数の和:1483

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 16731597

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 165, 291, 485, 1067, 1367, 1455, 3201, 4101, 5335, 6835, 15037, 16005, 20505, 45111, 75185, 132599, 225555, 397797, 662995, 1458589, 1988985, 4375767, 7292945, 21878835]

約数ペア:

[(1, 21878835), (3, 7292945), (5, 4375767), (11, 1988985), (15, 1458589), (33, 662995), (55, 397797), (97, 225555), (165, 132599), (291, 75185), (485, 45111), (1067, 20505), (1367, 16005), (1455, 15037), (3201, 6835), (4101, 5335)]