21401654512

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^2\times {\mathrm{198841}}^1$

素因数の和:198918

約数の個数: 60

約数和(自身を含む): 48967626288

約数和(自身を除く): 27565971776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 961, 1736, 1922, 3472, 3844, 6727, 7688, 13454, 15376, 26908, 53816, 107632, 198841, 397682, 795364, 1391887, 1590728, 2783774, 3181456, 5567548, 6164071, 11135096, 12328142, 22270192, 24656284, 43148497, 49312568, 86296994, 98625136, 172593988, 191086201, 345187976, 382172402, 690375952, 764344804, 1337603407, 1528689608, 2675206814, 3057379216, 5350413628, 10700827256, 21401654512]

約数ペア:

[(1, 21401654512), (2, 10700827256), (4, 5350413628), (7, 3057379216), (8, 2675206814), (14, 1528689608), (16, 1337603407), (28, 764344804), (31, 690375952), (56, 382172402), (62, 345187976), (112, 191086201), (124, 172593988), (217, 98625136), (248, 86296994), (434, 49312568), (496, 43148497), (868, 24656284), (961, 22270192), (1736, 12328142), (1922, 11135096), (3472, 6164071), (3844, 5567548), (6727, 3181456), (7688, 2783774), (13454, 1590728), (15376, 1391887), (26908, 795364), (53816, 397682), (107632, 198841)]