21399292

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1427}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 39344256

約数和(自身を除く): 17944964

約数列:

[1, 2, 4, 23, 46, 92, 163, 326, 652, 1427, 2854, 3749, 5708, 7498, 14996, 32821, 65642, 131284, 232601, 465202, 930404, 5349823, 10699646, 21399292]

約数ペア:

[(1, 21399292), (2, 10699646), (4, 5349823), (23, 930404), (46, 465202), (92, 232601), (163, 131284), (326, 65642), (652, 32821), (1427, 14996), (2854, 7498), (3749, 5708)]