21960312

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 60341760

約数和(自身を除く): 38381448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 193, 264, 386, 431, 579, 772, 862, 1158, 1293, 1544, 1724, 2123, 2316, 2586, 3448, 4246, 4632, 4741, 5172, 6369, 8492, 9482, 10344, 12738, 14223, 16984, 18964, 25476, 28446, 37928, 50952, 56892, 83183, 113784, 166366, 249549, 332732, 499098, 665464, 915013, 998196, 1830026, 1996392, 2745039, 3660052, 5490078, 7320104, 10980156, 21960312]

約数ペア:

[(1, 21960312), (2, 10980156), (3, 7320104), (4, 5490078), (6, 3660052), (8, 2745039), (11, 1996392), (12, 1830026), (22, 998196), (24, 915013), (33, 665464), (44, 499098), (66, 332732), (88, 249549), (132, 166366), (193, 113784), (264, 83183), (386, 56892), (431, 50952), (579, 37928), (772, 28446), (862, 25476), (1158, 18964), (1293, 16984), (1544, 14223), (1724, 12738), (2123, 10344), (2316, 9482), (2586, 8492), (3448, 6369), (4246, 5172), (4632, 4741)]