21801612

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{563}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 58367232

約数和(自身を除く): 36565620

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 461, 563, 922, 1126, 1383, 1689, 1844, 2252, 2766, 3227, 3378, 3941, 5532, 6454, 6756, 7882, 9681, 11823, 12908, 15764, 19362, 23646, 38724, 47292, 259543, 519086, 778629, 1038172, 1557258, 1816801, 3114516, 3633602, 5450403, 7267204, 10900806, 21801612]

約数ペア:

[(1, 21801612), (2, 10900806), (3, 7267204), (4, 5450403), (6, 3633602), (7, 3114516), (12, 1816801), (14, 1557258), (21, 1038172), (28, 778629), (42, 519086), (84, 259543), (461, 47292), (563, 38724), (922, 23646), (1126, 19362), (1383, 15764), (1689, 12908), (1844, 11823), (2252, 9681), (2766, 7882), (3227, 6756), (3378, 6454), (3941, 5532)]