21167404125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{811}}^1$

素因数の和:1060

約数の個数: 128

約数和(自身を含む): 41216028672

約数和(自身を除く): 20048624547

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 61, 75, 105, 125, 163, 175, 183, 305, 375, 427, 489, 525, 811, 815, 875, 915, 1141, 1281, 1525, 2135, 2433, 2445, 2625, 3423, 4055, 4075, 4575, 5677, 5705, 6405, 7625, 9943, 10675, 12165, 12225, 17031, 17115, 20275, 20375, 22875, 28385, 28525, 29829, 32025, 49471, 49715, 53375, 60825, 61125, 69601, 85155, 85575, 101375, 132193, 141925, 142625, 148413, 149145, 160125, 208803, 247355, 248575, 304125, 346297, 348005, 396579, 425775, 427875, 660965, 709625, 742065, 745725, 925351, 1038891, 1044015, 1236775, 1242875, 1731485, 1740025, 1982895, 2128875, 2776053, 3304825, 3710325, 3728625, 4626755, 5194455, 5220075, 6183875, 8063773, 8657425, 8700125, 9914475, 13880265, 16524125, 18551625, 23133775, 24191319, 25972275, 26100375, 40318865, 43287125, 49572375, 56446411, 69401325, 115668875, 120956595, 129861375, 169339233, 201594325, 282232055, 347006625, 604782975, 846696165, 1007971625, 1411160275, 3023914875, 4233480825, 7055801375, 21167404125]

約数ペア:

[(1, 21167404125), (3, 7055801375), (5, 4233480825), (7, 3023914875), (15, 1411160275), (21, 1007971625), (25, 846696165), (35, 604782975), (61, 347006625), (75, 282232055), (105, 201594325), (125, 169339233), (163, 129861375), (175, 120956595), (183, 115668875), (305, 69401325), (375, 56446411), (427, 49572375), (489, 43287125), (525, 40318865), (811, 26100375), (815, 25972275), (875, 24191319), (915, 23133775), (1141, 18551625), (1281, 16524125), (1525, 13880265), (2135, 9914475), (2433, 8700125), (2445, 8657425), (2625, 8063773), (3423, 6183875), (4055, 5220075), (4075, 5194455), (4575, 4626755), (5677, 3728625), (5705, 3710325), (6405, 3304825), (7625, 2776053), (9943, 2128875), (10675, 1982895), (12165, 1740025), (12225, 1731485), (17031, 1242875), (17115, 1236775), (20275, 1044015), (20375, 1038891), (22875, 925351), (28385, 745725), (28525, 742065), (29829, 709625), (32025, 660965), (49471, 427875), (49715, 425775), (53375, 396579), (60825, 348005), (61125, 346297), (69601, 304125), (85155, 248575), (85575, 247355), (101375, 208803), (132193, 160125), (141925, 149145), (142625, 148413)]