21190055025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{2789}}^1$

素因数の和:2979

約数の個数: 96

約数和(自身を含む): 38110953600

約数和(自身を除く): 16920898575

約数列:

[1, 3, 5, 15, 17, 25, 51, 59, 75, 85, 101, 177, 255, 295, 303, 425, 505, 885, 1003, 1275, 1475, 1515, 1717, 2525, 2789, 3009, 4425, 5015, 5151, 5959, 7575, 8367, 8585, 13945, 15045, 17877, 25075, 25755, 29795, 41835, 42925, 47413, 69725, 75225, 89385, 101303, 128775, 142239, 148975, 164551, 209175, 237065, 281689, 303909, 446925, 493653, 506515, 711195, 822755, 845067, 1185325, 1408445, 1519545, 2468265, 2532575, 2797367, 3555975, 4113775, 4225335, 4788713, 7042225, 7597725, 8392101, 12341325, 13986835, 14366139, 16619651, 21126675, 23943565, 41960505, 49858953, 69934175, 71830695, 83098255, 119717825, 209802525, 249294765, 282534067, 359153475, 415491275, 847602201, 1246473825, 1412670335, 4238011005, 7063351675, 21190055025]

約数ペア:

[(1, 21190055025), (3, 7063351675), (5, 4238011005), (15, 1412670335), (17, 1246473825), (25, 847602201), (51, 415491275), (59, 359153475), (75, 282534067), (85, 249294765), (101, 209802525), (177, 119717825), (255, 83098255), (295, 71830695), (303, 69934175), (425, 49858953), (505, 41960505), (885, 23943565), (1003, 21126675), (1275, 16619651), (1475, 14366139), (1515, 13986835), (1717, 12341325), (2525, 8392101), (2789, 7597725), (3009, 7042225), (4425, 4788713), (5015, 4225335), (5151, 4113775), (5959, 3555975), (7575, 2797367), (8367, 2532575), (8585, 2468265), (13945, 1519545), (15045, 1408445), (17877, 1185325), (25075, 845067), (25755, 822755), (29795, 711195), (41835, 506515), (42925, 493653), (47413, 446925), (69725, 303909), (75225, 281689), (89385, 237065), (101303, 209175), (128775, 164551), (142239, 148975)]