21947336

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{659}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 21295864

約数列:

[1, 2, 4, 8, 23, 46, 92, 181, 184, 362, 659, 724, 1318, 1448, 2636, 4163, 5272, 8326, 15157, 16652, 30314, 33304, 60628, 119279, 121256, 238558, 477116, 954232, 2743417, 5486834, 10973668, 21947336]

約数ペア:

[(1, 21947336), (2, 10973668), (4, 5486834), (8, 2743417), (23, 954232), (46, 477116), (92, 238558), (181, 121256), (184, 119279), (362, 60628), (659, 33304), (724, 30314), (1318, 16652), (1448, 15157), (2636, 8326), (4163, 5272)]