21858844

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{25183}}^1$

素因数の和:25225

約数の個数: 24

約数和(自身を含む): 45129728

約数和(自身を除く): 23270884

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 25183, 50366, 100732, 176281, 352562, 705124, 780673, 1561346, 3122692, 5464711, 10929422, 21858844]

約数ペア:

[(1, 21858844), (2, 10929422), (4, 5464711), (7, 3122692), (14, 1561346), (28, 780673), (31, 705124), (62, 352562), (124, 176281), (217, 100732), (434, 50366), (868, 25183)]