21923000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1993}}^1$

素因数の和:2025

約数の個数: 64

約数和(自身を含む): 55991520

約数和(自身を除く): 34068520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 1993, 2200, 2750, 3986, 5500, 7972, 9965, 11000, 15944, 19930, 21923, 39860, 43846, 49825, 79720, 87692, 99650, 109615, 175384, 199300, 219230, 249125, 398600, 438460, 498250, 548075, 876920, 996500, 1096150, 1993000, 2192300, 2740375, 4384600, 5480750, 10961500, 21923000]

約数ペア:

[(1, 21923000), (2, 10961500), (4, 5480750), (5, 4384600), (8, 2740375), (10, 2192300), (11, 1993000), (20, 1096150), (22, 996500), (25, 876920), (40, 548075), (44, 498250), (50, 438460), (55, 398600), (88, 249125), (100, 219230), (110, 199300), (125, 175384), (200, 109615), (220, 99650), (250, 87692), (275, 79720), (440, 49825), (500, 43846), (550, 39860), (1000, 21923), (1100, 19930), (1375, 15944), (1993, 11000), (2200, 9965), (2750, 7972), (3986, 5500)]