21236760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58991}}^1$

素因数の和:59008

約数の個数: 48

約数和(自身を含む): 69020640

約数和(自身を除く): 47783880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58991, 117982, 176973, 235964, 294955, 353946, 471928, 530919, 589910, 707892, 884865, 1061838, 1179820, 1415784, 1769730, 2123676, 2359640, 2654595, 3539460, 4247352, 5309190, 7078920, 10618380, 21236760]

約数ペア:

[(1, 21236760), (2, 10618380), (3, 7078920), (4, 5309190), (5, 4247352), (6, 3539460), (8, 2654595), (9, 2359640), (10, 2123676), (12, 1769730), (15, 1415784), (18, 1179820), (20, 1061838), (24, 884865), (30, 707892), (36, 589910), (40, 530919), (45, 471928), (60, 353946), (72, 294955), (90, 235964), (120, 176973), (180, 117982), (360, 58991)]