21273070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 47811456

約数和(自身を除く): 26538386

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 97, 130, 182, 194, 241, 455, 482, 485, 679, 910, 970, 1205, 1261, 1358, 1687, 2410, 2522, 3133, 3374, 3395, 6266, 6305, 6790, 8435, 8827, 12610, 15665, 16870, 17654, 21931, 23377, 31330, 43862, 44135, 46754, 88270, 109655, 116885, 163639, 219310, 233770, 303901, 327278, 607802, 818195, 1519505, 1636390, 2127307, 3039010, 4254614, 10636535, 21273070]

約数ペア:

[(1, 21273070), (2, 10636535), (5, 4254614), (7, 3039010), (10, 2127307), (13, 1636390), (14, 1519505), (26, 818195), (35, 607802), (65, 327278), (70, 303901), (91, 233770), (97, 219310), (130, 163639), (182, 116885), (194, 109655), (241, 88270), (455, 46754), (482, 44135), (485, 43862), (679, 31330), (910, 23377), (970, 21931), (1205, 17654), (1261, 16870), (1358, 15665), (1687, 12610), (2410, 8827), (2522, 8435), (3133, 6790), (3374, 6305), (3395, 6266)]