21167800516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1039}}^1\times {\mathrm{268069}}^1$

素因数の和:269131

約数の個数: 24

約数和(自身を含む): 39030992000

約数和(自身を除く): 17863191484

約数列:

[1, 2, 4, 19, 38, 76, 1039, 2078, 4156, 19741, 39482, 78964, 268069, 536138, 1072276, 5093311, 10186622, 20373244, 278523691, 557047382, 1114094764, 5291950129, 10583900258, 21167800516]

約数ペア:

[(1, 21167800516), (2, 10583900258), (4, 5291950129), (19, 1114094764), (38, 557047382), (76, 278523691), (1039, 20373244), (2078, 10186622), (4156, 5093311), (19741, 1072276), (39482, 536138), (78964, 268069)]