21961816

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{523}}^1$

素因数の和:739

約数の個数: 32

約数和(自身を含む): 42915600

約数和(自身を除く): 20953784

約数列:

[1, 2, 4, 8, 29, 58, 116, 181, 232, 362, 523, 724, 1046, 1448, 2092, 4184, 5249, 10498, 15167, 20996, 30334, 41992, 60668, 94663, 121336, 189326, 378652, 757304, 2745227, 5490454, 10980908, 21961816]

約数ペア:

[(1, 21961816), (2, 10980908), (4, 5490454), (8, 2745227), (29, 757304), (58, 378652), (116, 189326), (181, 121336), (232, 94663), (362, 60668), (523, 41992), (724, 30334), (1046, 20996), (1448, 15167), (2092, 10498), (4184, 5249)]