21000757950

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{13877}}^1$

素因数の和:13976

約数の個数: 192

約数和(自身を含む): 61951392000

約数和(自身を除く): 40950634050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 27, 30, 38, 45, 50, 54, 57, 59, 75, 90, 95, 114, 118, 135, 150, 171, 177, 190, 225, 270, 285, 295, 342, 354, 450, 475, 513, 531, 570, 590, 675, 855, 885, 950, 1026, 1062, 1121, 1350, 1425, 1475, 1593, 1710, 1770, 2242, 2565, 2655, 2850, 2950, 3186, 3363, 4275, 4425, 5130, 5310, 5605, 6726, 7965, 8550, 8850, 10089, 11210, 12825, 13275, 13877, 15930, 16815, 20178, 25650, 26550, 27754, 28025, 30267, 33630, 39825, 41631, 50445, 56050, 60534, 69385, 79650, 83262, 84075, 100890, 124893, 138770, 151335, 168150, 208155, 249786, 252225, 263663, 302670, 346925, 374679, 416310, 504450, 527326, 624465, 693850, 749358, 756675, 790989, 818743, 1040775, 1248930, 1318315, 1513350, 1581978, 1637486, 1873395, 2081550, 2372967, 2456229, 2636630, 3122325, 3746790, 3954945, 4093715, 4745934, 4912458, 6244650, 6591575, 7118901, 7368687, 7909890, 8187430, 9366975, 11864835, 12281145, 13183150, 14237802, 14737374, 15556117, 18733950, 19774725, 20468575, 22106061, 23729670, 24562290, 31112234, 35594505, 36843435, 39549450, 40937150, 44212122, 46668351, 59324175, 61405725, 71189010, 73686870, 77780585, 93336702, 110530305, 118648350, 122811450, 140005053, 155561170, 177972525, 184217175, 221060610, 233341755, 280010106, 355945050, 368434350, 388902925, 420015159, 466683510, 552651525, 700025265, 777805850, 840030318, 1105303050, 1166708775, 1400050530, 2100075795, 2333417550, 3500126325, 4200151590, 7000252650, 10500378975, 21000757950]

約数ペア:

[(1, 21000757950), (2, 10500378975), (3, 7000252650), (5, 4200151590), (6, 3500126325), (9, 2333417550), (10, 2100075795), (15, 1400050530), (18, 1166708775), (19, 1105303050), (25, 840030318), (27, 777805850), (30, 700025265), (38, 552651525), (45, 466683510), (50, 420015159), (54, 388902925), (57, 368434350), (59, 355945050), (75, 280010106), (90, 233341755), (95, 221060610), (114, 184217175), (118, 177972525), (135, 155561170), (150, 140005053), (171, 122811450), (177, 118648350), (190, 110530305), (225, 93336702), (270, 77780585), (285, 73686870), (295, 71189010), (342, 61405725), (354, 59324175), (450, 46668351), (475, 44212122), (513, 40937150), (531, 39549450), (570, 36843435), (590, 35594505), (675, 31112234), (855, 24562290), (885, 23729670), (950, 22106061), (1026, 20468575), (1062, 19774725), (1121, 18733950), (1350, 15556117), (1425, 14737374), (1475, 14237802), (1593, 13183150), (1710, 12281145), (1770, 11864835), (2242, 9366975), (2565, 8187430), (2655, 7909890), (2850, 7368687), (2950, 7118901), (3186, 6591575), (3363, 6244650), (4275, 4912458), (4425, 4745934), (5130, 4093715), (5310, 3954945), (5605, 3746790), (6726, 3122325), (7965, 2636630), (8550, 2456229), (8850, 2372967), (10089, 2081550), (11210, 1873395), (12825, 1637486), (13275, 1581978), (13877, 1513350), (15930, 1318315), (16815, 1248930), (20178, 1040775), (25650, 818743), (26550, 790989), (27754, 756675), (28025, 749358), (30267, 693850), (33630, 624465), (39825, 527326), (41631, 504450), (50445, 416310), (56050, 374679), (60534, 346925), (69385, 302670), (79650, 263663), (83262, 252225), (84075, 249786), (100890, 208155), (124893, 168150), (138770, 151335)]