21441294

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 54996480

約数和(自身を除く): 33555186

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 131, 189, 262, 378, 393, 433, 786, 866, 917, 1179, 1299, 1834, 2358, 2598, 2751, 3031, 3537, 3897, 5502, 6062, 7074, 7794, 8253, 9093, 11691, 16506, 18186, 23382, 24759, 27279, 49518, 54558, 56723, 81837, 113446, 163674, 170169, 340338, 397061, 510507, 794122, 1021014, 1191183, 1531521, 2382366, 3063042, 3573549, 7147098, 10720647, 21441294]

約数ペア:

[(1, 21441294), (2, 10720647), (3, 7147098), (6, 3573549), (7, 3063042), (9, 2382366), (14, 1531521), (18, 1191183), (21, 1021014), (27, 794122), (42, 510507), (54, 397061), (63, 340338), (126, 170169), (131, 163674), (189, 113446), (262, 81837), (378, 56723), (393, 54558), (433, 49518), (786, 27279), (866, 24759), (917, 23382), (1179, 18186), (1299, 16506), (1834, 11691), (2358, 9093), (2598, 8253), (2751, 7794), (3031, 7074), (3537, 6062), (3897, 5502)]