21876638992

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{260983}}^1$

素因数の和:261048

約数の個数: 60

約数和(自身を含む): 47377991424

約数和(自身を除く): 25501352432

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 338, 403, 496, 676, 806, 1352, 1612, 2704, 3224, 5239, 6448, 10478, 20956, 41912, 83824, 260983, 521966, 1043932, 2087864, 3392779, 4175728, 6785558, 8090473, 13571116, 16180946, 27142232, 32361892, 44106127, 54284464, 64723784, 88212254, 105176149, 129447568, 176424508, 210352298, 352849016, 420704596, 705698032, 841409192, 1367289937, 1682818384, 2734579874, 5469159748, 10938319496, 21876638992]

約数ペア:

[(1, 21876638992), (2, 10938319496), (4, 5469159748), (8, 2734579874), (13, 1682818384), (16, 1367289937), (26, 841409192), (31, 705698032), (52, 420704596), (62, 352849016), (104, 210352298), (124, 176424508), (169, 129447568), (208, 105176149), (248, 88212254), (338, 64723784), (403, 54284464), (496, 44106127), (676, 32361892), (806, 27142232), (1352, 16180946), (1612, 13571116), (2704, 8090473), (3224, 6785558), (5239, 4175728), (6448, 3392779), (10478, 2087864), (20956, 1043932), (41912, 521966), (83824, 260983)]