21017484400

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{28603}}^1$

素因数の和:28799

約数の個数: 120

約数和(自身を含む): 55416703104

約数和(自身を除く): 34399218704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 167, 176, 200, 220, 275, 334, 400, 440, 550, 668, 835, 880, 1100, 1336, 1670, 1837, 2200, 2672, 3340, 3674, 4175, 4400, 6680, 7348, 8350, 9185, 13360, 14696, 16700, 18370, 28603, 29392, 33400, 36740, 45925, 57206, 66800, 73480, 91850, 114412, 143015, 146960, 183700, 228824, 286030, 314633, 367400, 457648, 572060, 629266, 715075, 734800, 1144120, 1258532, 1430150, 1573165, 2288240, 2517064, 2860300, 3146330, 4776701, 5034128, 5720600, 6292660, 7865825, 9553402, 11441200, 12585320, 15731650, 19106804, 23883505, 25170640, 31463300, 38213608, 47767010, 52543711, 62926600, 76427216, 95534020, 105087422, 119417525, 125853200, 191068040, 210174844, 238835050, 262718555, 382136080, 420349688, 477670100, 525437110, 840699376, 955340200, 1050874220, 1313592775, 1910680400, 2101748440, 2627185550, 4203496880, 5254371100, 10508742200, 21017484400]

約数ペア:

[(1, 21017484400), (2, 10508742200), (4, 5254371100), (5, 4203496880), (8, 2627185550), (10, 2101748440), (11, 1910680400), (16, 1313592775), (20, 1050874220), (22, 955340200), (25, 840699376), (40, 525437110), (44, 477670100), (50, 420349688), (55, 382136080), (80, 262718555), (88, 238835050), (100, 210174844), (110, 191068040), (167, 125853200), (176, 119417525), (200, 105087422), (220, 95534020), (275, 76427216), (334, 62926600), (400, 52543711), (440, 47767010), (550, 38213608), (668, 31463300), (835, 25170640), (880, 23883505), (1100, 19106804), (1336, 15731650), (1670, 12585320), (1837, 11441200), (2200, 9553402), (2672, 7865825), (3340, 6292660), (3674, 5720600), (4175, 5034128), (4400, 4776701), (6680, 3146330), (7348, 2860300), (8350, 2517064), (9185, 2288240), (13360, 1573165), (14696, 1430150), (16700, 1258532), (18370, 1144120), (28603, 734800), (29392, 715075), (33400, 629266), (36740, 572060), (45925, 457648), (57206, 367400), (66800, 314633), (73480, 286030), (91850, 228824), (114412, 183700), (143015, 146960)]