21863380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14197}}^1$

素因数の和:14224

約数の個数: 48

約数和(自身を含む): 57246336

約数和(自身を除く): 35382956

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 14197, 28394, 56788, 70985, 99379, 141970, 156167, 198758, 283940, 312334, 397516, 496895, 624668, 780835, 993790, 1093169, 1561670, 1987580, 2186338, 3123340, 4372676, 5465845, 10931690, 21863380]

約数ペア:

[(1, 21863380), (2, 10931690), (4, 5465845), (5, 4372676), (7, 3123340), (10, 2186338), (11, 1987580), (14, 1561670), (20, 1093169), (22, 993790), (28, 780835), (35, 624668), (44, 496895), (55, 397516), (70, 312334), (77, 283940), (110, 198758), (140, 156167), (154, 141970), (220, 99379), (308, 70985), (385, 56788), (770, 28394), (1540, 14197)]