21718088

素因数分解:

$2^3\times 7^1\times {\mathrm{547}}^1\times {\mathrm{709}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 46689600

約数和(自身を除く): 24971512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 547, 709, 1094, 1418, 2188, 2836, 3829, 4376, 4963, 5672, 7658, 9926, 15316, 19852, 30632, 39704, 387823, 775646, 1551292, 2714761, 3102584, 5429522, 10859044, 21718088]

約数ペア:

[(1, 21718088), (2, 10859044), (4, 5429522), (7, 3102584), (8, 2714761), (14, 1551292), (28, 775646), (56, 387823), (547, 39704), (709, 30632), (1094, 19852), (1418, 15316), (2188, 9926), (2836, 7658), (3829, 5672), (4376, 4963)]