21000886414090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{719}}^1\times {\mathrm{2381}}^1\times {\mathrm{111521}}^1$

素因数の和:114639

約数の個数: 64

約数和(自身を含む): 41313173230080

約数和(自身を除く): 20312286815990

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 719, 1438, 2381, 3595, 4762, 7190, 7909, 11905, 15818, 23810, 26191, 39545, 52382, 79090, 111521, 130955, 223042, 261910, 557605, 1115210, 1226731, 1711939, 2453462, 3423878, 6133655, 8559695, 12267310, 17119390, 18831329, 37662658, 80183599, 94156645, 160367198, 188313290, 265531501, 400917995, 531063002, 801835990, 882019589, 1327657505, 1764039178, 2655315010, 2920846511, 4410097945, 5841693022, 8820195890, 14604232555, 29208465110, 190917149219, 381834298438, 954585746095, 1909171492190, 2100088641409, 4200177282818, 10500443207045, 21000886414090]

約数ペア:

[(1, 21000886414090), (2, 10500443207045), (5, 4200177282818), (10, 2100088641409), (11, 1909171492190), (22, 954585746095), (55, 381834298438), (110, 190917149219), (719, 29208465110), (1438, 14604232555), (2381, 8820195890), (3595, 5841693022), (4762, 4410097945), (7190, 2920846511), (7909, 2655315010), (11905, 1764039178), (15818, 1327657505), (23810, 882019589), (26191, 801835990), (39545, 531063002), (52382, 400917995), (79090, 265531501), (111521, 188313290), (130955, 160367198), (223042, 94156645), (261910, 80183599), (557605, 37662658), (1115210, 18831329), (1226731, 17119390), (1711939, 12267310), (2453462, 8559695), (3423878, 6133655)]