21903700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 144

約数和(自身を含む): 61246080

約数和(自身を除く): 39342380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 29, 35, 50, 52, 58, 65, 70, 83, 91, 100, 116, 130, 140, 145, 166, 175, 182, 203, 260, 290, 325, 332, 350, 364, 377, 406, 415, 455, 580, 581, 650, 700, 725, 754, 812, 830, 910, 1015, 1079, 1162, 1300, 1450, 1508, 1660, 1820, 1885, 2030, 2075, 2158, 2275, 2324, 2407, 2639, 2900, 2905, 3770, 4060, 4150, 4316, 4550, 4814, 5075, 5278, 5395, 5810, 7540, 7553, 8300, 9100, 9425, 9628, 10150, 10556, 10790, 11620, 12035, 13195, 14525, 15106, 16849, 18850, 20300, 21580, 24070, 26390, 26975, 29050, 30212, 31291, 33698, 37700, 37765, 48140, 52780, 53950, 58100, 60175, 62582, 65975, 67396, 75530, 84245, 107900, 120350, 125164, 131950, 151060, 156455, 168490, 188825, 219037, 240700, 263900, 312910, 336980, 377650, 421225, 438074, 625820, 755300, 782275, 842450, 876148, 1095185, 1564550, 1684900, 2190370, 3129100, 4380740, 5475925, 10951850, 21903700]

約数ペア:

[(1, 21903700), (2, 10951850), (4, 5475925), (5, 4380740), (7, 3129100), (10, 2190370), (13, 1684900), (14, 1564550), (20, 1095185), (25, 876148), (26, 842450), (28, 782275), (29, 755300), (35, 625820), (50, 438074), (52, 421225), (58, 377650), (65, 336980), (70, 312910), (83, 263900), (91, 240700), (100, 219037), (116, 188825), (130, 168490), (140, 156455), (145, 151060), (166, 131950), (175, 125164), (182, 120350), (203, 107900), (260, 84245), (290, 75530), (325, 67396), (332, 65975), (350, 62582), (364, 60175), (377, 58100), (406, 53950), (415, 52780), (455, 48140), (580, 37765), (581, 37700), (650, 33698), (700, 31291), (725, 30212), (754, 29050), (812, 26975), (830, 26390), (910, 24070), (1015, 21580), (1079, 20300), (1162, 18850), (1300, 16849), (1450, 15106), (1508, 14525), (1660, 13195), (1820, 12035), (1885, 11620), (2030, 10790), (2075, 10556), (2158, 10150), (2275, 9628), (2324, 9425), (2407, 9100), (2639, 8300), (2900, 7553), (2905, 7540), (3770, 5810), (4060, 5395), (4150, 5278), (4316, 5075), (4550, 4814)]