21094185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2543}}^1$

素因数の和:2637

約数の個数: 32

約数和(自身を含む): 39075840

約数和(自身を除く): 17981655

約数列:

[1, 3, 5, 7, 15, 21, 35, 79, 105, 237, 395, 553, 1185, 1659, 2543, 2765, 7629, 8295, 12715, 17801, 38145, 53403, 89005, 200897, 267015, 602691, 1004485, 1406279, 3013455, 4218837, 7031395, 21094185]

約数ペア:

[(1, 21094185), (3, 7031395), (5, 4218837), (7, 3013455), (15, 1406279), (21, 1004485), (35, 602691), (79, 267015), (105, 200897), (237, 89005), (395, 53403), (553, 38145), (1185, 17801), (1659, 12715), (2543, 8295), (2765, 7629)]