21739380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{593}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 67060224

約数和(自身を除く): 45320844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 60, 65, 78, 94, 130, 141, 156, 188, 195, 235, 260, 282, 390, 470, 564, 593, 611, 705, 780, 940, 1186, 1222, 1410, 1779, 1833, 2372, 2444, 2820, 2965, 3055, 3558, 3666, 5930, 6110, 7116, 7332, 7709, 8895, 9165, 11860, 12220, 15418, 17790, 18330, 23127, 27871, 30836, 35580, 36660, 38545, 46254, 55742, 77090, 83613, 92508, 111484, 115635, 139355, 154180, 167226, 231270, 278710, 334452, 362323, 418065, 462540, 557420, 724646, 836130, 1086969, 1449292, 1672260, 1811615, 2173938, 3623230, 4347876, 5434845, 7246460, 10869690, 21739380]

約数ペア:

[(1, 21739380), (2, 10869690), (3, 7246460), (4, 5434845), (5, 4347876), (6, 3623230), (10, 2173938), (12, 1811615), (13, 1672260), (15, 1449292), (20, 1086969), (26, 836130), (30, 724646), (39, 557420), (47, 462540), (52, 418065), (60, 362323), (65, 334452), (78, 278710), (94, 231270), (130, 167226), (141, 154180), (156, 139355), (188, 115635), (195, 111484), (235, 92508), (260, 83613), (282, 77090), (390, 55742), (470, 46254), (564, 38545), (593, 36660), (611, 35580), (705, 30836), (780, 27871), (940, 23127), (1186, 18330), (1222, 17790), (1410, 15418), (1779, 12220), (1833, 11860), (2372, 9165), (2444, 8895), (2820, 7709), (2965, 7332), (3055, 7116), (3558, 6110), (3666, 5930)]