21833900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 53996544

約数和(自身を除く): 32162644

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 863, 1012, 1100, 1150, 1265, 1726, 2300, 2530, 3452, 4315, 5060, 6325, 8630, 9493, 12650, 17260, 18986, 19849, 21575, 25300, 37972, 39698, 43150, 47465, 79396, 86300, 94930, 99245, 189860, 198490, 218339, 237325, 396980, 436678, 474650, 496225, 873356, 949300, 992450, 1091695, 1984900, 2183390, 4366780, 5458475, 10916950, 21833900]

約数ペア:

[(1, 21833900), (2, 10916950), (4, 5458475), (5, 4366780), (10, 2183390), (11, 1984900), (20, 1091695), (22, 992450), (23, 949300), (25, 873356), (44, 496225), (46, 474650), (50, 436678), (55, 396980), (92, 237325), (100, 218339), (110, 198490), (115, 189860), (220, 99245), (230, 94930), (253, 86300), (275, 79396), (460, 47465), (506, 43150), (550, 39698), (575, 37972), (863, 25300), (1012, 21575), (1100, 19849), (1150, 18986), (1265, 17260), (1726, 12650), (2300, 9493), (2530, 8630), (3452, 6325), (4315, 5060)]