21135732

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 51123072

約数和(自身を除く): 29987340

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 181, 222, 263, 362, 444, 526, 543, 724, 789, 1052, 1086, 1578, 2172, 3156, 6697, 9731, 13394, 19462, 20091, 26788, 29193, 38924, 40182, 47603, 58386, 80364, 95206, 116772, 142809, 190412, 285618, 571236, 1761311, 3522622, 5283933, 7045244, 10567866, 21135732]

約数ペア:

[(1, 21135732), (2, 10567866), (3, 7045244), (4, 5283933), (6, 3522622), (12, 1761311), (37, 571236), (74, 285618), (111, 190412), (148, 142809), (181, 116772), (222, 95206), (263, 80364), (362, 58386), (444, 47603), (526, 40182), (543, 38924), (724, 29193), (789, 26788), (1052, 20091), (1086, 19462), (1578, 13394), (2172, 9731), (3156, 6697)]