21431778

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 43860096

約数和(自身を除く): 22428318

約数列:

[1, 2, 3, 6, 73, 146, 167, 219, 293, 334, 438, 501, 586, 879, 1002, 1758, 12191, 21389, 24382, 36573, 42778, 48931, 64167, 73146, 97862, 128334, 146793, 293586, 3571963, 7143926, 10715889, 21431778]

約数ペア:

[(1, 21431778), (2, 10715889), (3, 7143926), (6, 3571963), (73, 293586), (146, 146793), (167, 128334), (219, 97862), (293, 73146), (334, 64167), (438, 48931), (501, 42778), (586, 36573), (879, 24382), (1002, 21389), (1758, 12191)]