21512466

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^2\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 60

約数和(自身を含む): 50052618

約数和(自身を除く): 28540152

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 97, 111, 162, 194, 222, 291, 333, 582, 666, 873, 999, 1369, 1746, 1998, 2619, 2738, 2997, 3589, 4107, 5238, 5994, 7178, 7857, 8214, 10767, 12321, 15714, 21534, 24642, 32301, 36963, 64602, 73926, 96903, 110889, 132793, 193806, 221778, 265586, 290709, 398379, 581418, 796758, 1195137, 2390274, 3585411, 7170822, 10756233, 21512466]

約数ペア:

[(1, 21512466), (2, 10756233), (3, 7170822), (6, 3585411), (9, 2390274), (18, 1195137), (27, 796758), (37, 581418), (54, 398379), (74, 290709), (81, 265586), (97, 221778), (111, 193806), (162, 132793), (194, 110889), (222, 96903), (291, 73926), (333, 64602), (582, 36963), (666, 32301), (873, 24642), (999, 21534), (1369, 15714), (1746, 12321), (1998, 10767), (2619, 8214), (2738, 7857), (2997, 7178), (3589, 5994), (4107, 5238)]