21600812

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{4021}}^1$

素因数の和:4121

約数の個数: 24

約数和(自身を含む): 40541760

約数和(自身を除く): 18940948

約数列:

[1, 2, 4, 17, 34, 68, 79, 158, 316, 1343, 2686, 4021, 5372, 8042, 16084, 68357, 136714, 273428, 317659, 635318, 1270636, 5400203, 10800406, 21600812]

約数ペア:

[(1, 21600812), (2, 10800406), (4, 5400203), (17, 1270636), (34, 635318), (68, 317659), (79, 273428), (158, 136714), (316, 68357), (1343, 16084), (2686, 8042), (4021, 5372)]