2161908

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 6534528

約数和(自身を除く): 4372620

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 373, 414, 483, 644, 746, 828, 966, 1119, 1449, 1492, 1932, 2238, 2611, 2898, 3357, 4476, 5222, 5796, 6714, 7833, 8579, 10444, 13428, 15666, 17158, 23499, 25737, 31332, 34316, 46998, 51474, 60053, 77211, 93996, 102948, 120106, 154422, 180159, 240212, 308844, 360318, 540477, 720636, 1080954, 2161908]

約数ペア:

[(1, 2161908), (2, 1080954), (3, 720636), (4, 540477), (6, 360318), (7, 308844), (9, 240212), (12, 180159), (14, 154422), (18, 120106), (21, 102948), (23, 93996), (28, 77211), (36, 60053), (42, 51474), (46, 46998), (63, 34316), (69, 31332), (84, 25737), (92, 23499), (126, 17158), (138, 15666), (161, 13428), (207, 10444), (252, 8579), (276, 7833), (322, 6714), (373, 5796), (414, 5222), (483, 4476), (644, 3357), (746, 2898), (828, 2611), (966, 2238), (1119, 1932), (1449, 1492)]