21772490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{523}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 41198976

約数和(自身を除く): 19426486

約数列:

[1, 2, 5, 10, 23, 46, 115, 181, 230, 362, 523, 905, 1046, 1810, 2615, 4163, 5230, 8326, 12029, 20815, 24058, 41630, 60145, 94663, 120290, 189326, 473315, 946630, 2177249, 4354498, 10886245, 21772490]

約数ペア:

[(1, 21772490), (2, 10886245), (5, 4354498), (10, 2177249), (23, 946630), (46, 473315), (115, 189326), (181, 120290), (230, 94663), (362, 60145), (523, 41630), (905, 24058), (1046, 20815), (1810, 12029), (2615, 8326), (4163, 5230)]