21139296

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12953}}^1$

素因数の和:12983

約数の個数: 48

約数和(自身を含む): 58759344

約数和(自身を除く): 37620048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12953, 25906, 38859, 51812, 77718, 103624, 155436, 207248, 220201, 310872, 414496, 440402, 621744, 660603, 880804, 1243488, 1321206, 1761608, 2642412, 3523216, 5284824, 7046432, 10569648, 21139296]

約数ペア:

[(1, 21139296), (2, 10569648), (3, 7046432), (4, 5284824), (6, 3523216), (8, 2642412), (12, 1761608), (16, 1321206), (17, 1243488), (24, 880804), (32, 660603), (34, 621744), (48, 440402), (51, 414496), (68, 310872), (96, 220201), (102, 207248), (136, 155436), (204, 103624), (272, 77718), (408, 51812), (544, 38859), (816, 25906), (1632, 12953)]