21270295750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{5153}}^1$

素因数の和:5279

約数の個数: 128

約数和(自身を含む): 46311782400

約数和(自身を除く): 25041486650

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 79, 95, 110, 125, 158, 190, 209, 250, 275, 395, 418, 475, 550, 790, 869, 950, 1045, 1375, 1501, 1738, 1975, 2090, 2375, 2750, 3002, 3950, 4345, 4750, 5153, 5225, 7505, 8690, 9875, 10306, 10450, 15010, 16511, 19750, 21725, 25765, 26125, 33022, 37525, 43450, 51530, 52250, 56683, 75050, 82555, 97907, 108625, 113366, 128825, 165110, 187625, 195814, 217250, 257650, 283415, 375250, 407087, 412775, 489535, 566830, 644125, 814174, 825550, 979070, 1076977, 1288250, 1417075, 2035435, 2063875, 2153954, 2447675, 2834150, 4070870, 4127750, 4477957, 4895350, 5384885, 7085375, 7734653, 8955914, 10177175, 10769770, 12238375, 14170750, 15469306, 20354350, 22389785, 24476750, 26924425, 38673265, 44779570, 50885875, 53848850, 77346530, 85081183, 101771750, 111948925, 134622125, 170162366, 193366325, 223897850, 269244250, 386732650, 425405915, 559744625, 850811830, 966831625, 1119489250, 1933663250, 2127029575, 4254059150, 10635147875, 21270295750]

約数ペア:

[(1, 21270295750), (2, 10635147875), (5, 4254059150), (10, 2127029575), (11, 1933663250), (19, 1119489250), (22, 966831625), (25, 850811830), (38, 559744625), (50, 425405915), (55, 386732650), (79, 269244250), (95, 223897850), (110, 193366325), (125, 170162366), (158, 134622125), (190, 111948925), (209, 101771750), (250, 85081183), (275, 77346530), (395, 53848850), (418, 50885875), (475, 44779570), (550, 38673265), (790, 26924425), (869, 24476750), (950, 22389785), (1045, 20354350), (1375, 15469306), (1501, 14170750), (1738, 12238375), (1975, 10769770), (2090, 10177175), (2375, 8955914), (2750, 7734653), (3002, 7085375), (3950, 5384885), (4345, 4895350), (4750, 4477957), (5153, 4127750), (5225, 4070870), (7505, 2834150), (8690, 2447675), (9875, 2153954), (10306, 2063875), (10450, 2035435), (15010, 1417075), (16511, 1288250), (19750, 1076977), (21725, 979070), (25765, 825550), (26125, 814174), (33022, 644125), (37525, 566830), (43450, 489535), (51530, 412775), (52250, 407087), (56683, 375250), (75050, 283415), (82555, 257650), (97907, 217250), (108625, 195814), (113366, 187625), (128825, 165110)]