21213362

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 34383360

約数和(自身を除く): 13169998

約数列:

[1, 2, 31, 43, 62, 73, 86, 109, 146, 218, 1333, 2263, 2666, 3139, 3379, 4526, 4687, 6278, 6758, 7957, 9374, 15914, 97309, 145297, 194618, 246667, 290594, 342151, 493334, 684302, 10606681, 21213362]

約数ペア:

[(1, 21213362), (2, 10606681), (31, 684302), (43, 493334), (62, 342151), (73, 290594), (86, 246667), (109, 194618), (146, 145297), (218, 97309), (1333, 15914), (2263, 9374), (2666, 7957), (3139, 6758), (3379, 6278), (4526, 4687)]