21813440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6197}}^1$

素因数の和:6225

約数の個数: 56

約数和(自身を含む): 56674512

約数和(自身を除く): 34861072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 6197, 12394, 24788, 30985, 49576, 61970, 68167, 99152, 123940, 136334, 198304, 247880, 272668, 340835, 396608, 495760, 545336, 681670, 991520, 1090672, 1363340, 1983040, 2181344, 2726680, 4362688, 5453360, 10906720, 21813440]

約数ペア:

[(1, 21813440), (2, 10906720), (4, 5453360), (5, 4362688), (8, 2726680), (10, 2181344), (11, 1983040), (16, 1363340), (20, 1090672), (22, 991520), (32, 681670), (40, 545336), (44, 495760), (55, 396608), (64, 340835), (80, 272668), (88, 247880), (110, 198304), (160, 136334), (176, 123940), (220, 99152), (320, 68167), (352, 61970), (440, 49576), (704, 30985), (880, 24788), (1760, 12394), (3520, 6197)]