21167389425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{238573}}^1$

素因数の和:238619

約数の個数: 72

約数和(自身を含む): 43309769664

約数和(自身を除く): 22142380239

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 169, 175, 195, 273, 325, 455, 507, 525, 845, 975, 1183, 1365, 2275, 2535, 3549, 4225, 5915, 6825, 12675, 17745, 29575, 88725, 238573, 715719, 1192865, 1670011, 3101449, 3578595, 5010033, 5964325, 8350055, 9304347, 15507245, 17892975, 21710143, 25050165, 40318837, 41750275, 46521735, 65130429, 77536225, 108550715, 120956511, 125250825, 201594185, 232608675, 282231859, 325652145, 542753575, 604782555, 846695577, 1007970925, 1411159295, 1628260725, 3023912775, 4233477885, 7055796475, 21167389425]

約数ペア:

[(1, 21167389425), (3, 7055796475), (5, 4233477885), (7, 3023912775), (13, 1628260725), (15, 1411159295), (21, 1007970925), (25, 846695577), (35, 604782555), (39, 542753575), (65, 325652145), (75, 282231859), (91, 232608675), (105, 201594185), (169, 125250825), (175, 120956511), (195, 108550715), (273, 77536225), (325, 65130429), (455, 46521735), (507, 41750275), (525, 40318837), (845, 25050165), (975, 21710143), (1183, 17892975), (1365, 15507245), (2275, 9304347), (2535, 8350055), (3549, 5964325), (4225, 5010033), (5915, 3578595), (6825, 3101449), (12675, 1670011), (17745, 1192865), (29575, 715719), (88725, 238573)]