21485206980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{9001}}^1$

素因数の和:9254

約数の個数: 144

約数和(自身を含む): 66353742000

約数和(自身を除く): 44868535020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 149, 178, 180, 267, 298, 356, 445, 447, 534, 596, 745, 801, 890, 894, 1068, 1335, 1341, 1490, 1602, 1780, 1788, 2235, 2670, 2682, 2980, 3204, 4005, 4470, 5340, 5364, 6705, 8010, 8940, 9001, 13261, 13410, 16020, 18002, 26522, 26820, 27003, 36004, 39783, 45005, 53044, 54006, 66305, 79566, 81009, 90010, 108012, 119349, 132610, 135015, 159132, 162018, 180020, 198915, 238698, 265220, 270030, 324036, 397830, 405045, 477396, 540060, 596745, 795660, 801089, 810090, 1193490, 1341149, 1602178, 1620180, 2386980, 2403267, 2682298, 3204356, 4005445, 4023447, 4806534, 5364596, 6705745, 7209801, 8010890, 8046894, 9613068, 12016335, 12070341, 13411490, 14419602, 16021780, 16093788, 20117235, 24032670, 24140682, 26822980, 28839204, 36049005, 40234470, 48065340, 48281364, 60351705, 72098010, 80468940, 119362261, 120703410, 144196020, 238724522, 241406820, 358086783, 477449044, 596811305, 716173566, 1074260349, 1193622610, 1432347132, 1790433915, 2148520698, 2387245220, 3580867830, 4297041396, 5371301745, 7161735660, 10742603490, 21485206980]

約数ペア:

[(1, 21485206980), (2, 10742603490), (3, 7161735660), (4, 5371301745), (5, 4297041396), (6, 3580867830), (9, 2387245220), (10, 2148520698), (12, 1790433915), (15, 1432347132), (18, 1193622610), (20, 1074260349), (30, 716173566), (36, 596811305), (45, 477449044), (60, 358086783), (89, 241406820), (90, 238724522), (149, 144196020), (178, 120703410), (180, 119362261), (267, 80468940), (298, 72098010), (356, 60351705), (445, 48281364), (447, 48065340), (534, 40234470), (596, 36049005), (745, 28839204), (801, 26822980), (890, 24140682), (894, 24032670), (1068, 20117235), (1335, 16093788), (1341, 16021780), (1490, 14419602), (1602, 13411490), (1780, 12070341), (1788, 12016335), (2235, 9613068), (2670, 8046894), (2682, 8010890), (2980, 7209801), (3204, 6705745), (4005, 5364596), (4470, 4806534), (5340, 4023447), (5364, 4005445), (6705, 3204356), (8010, 2682298), (8940, 2403267), (9001, 2386980), (13261, 1620180), (13410, 1602178), (16020, 1341149), (18002, 1193490), (26522, 810090), (26820, 801089), (27003, 795660), (36004, 596745), (39783, 540060), (45005, 477396), (53044, 405045), (54006, 397830), (66305, 324036), (79566, 270030), (81009, 265220), (90010, 238698), (108012, 198915), (119349, 180020), (132610, 162018), (135015, 159132)]