21230648

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{61717}}^1$

素因数の和:61766

約数の個数: 16

約数和(自身を含む): 40733880

約数和(自身を除く): 19503232

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 61717, 123434, 246868, 493736, 2653831, 5307662, 10615324, 21230648]

約数ペア:

[(1, 21230648), (2, 10615324), (4, 5307662), (8, 2653831), (43, 493736), (86, 246868), (172, 123434), (344, 61717)]