21198768

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 57600480

約数和(自身を除く): 36401712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 97, 116, 157, 174, 194, 232, 291, 314, 348, 388, 464, 471, 582, 628, 696, 776, 942, 1164, 1256, 1392, 1552, 1884, 2328, 2512, 2813, 3768, 4553, 4656, 5626, 7536, 8439, 9106, 11252, 13659, 15229, 16878, 18212, 22504, 27318, 30458, 33756, 36424, 45008, 45687, 54636, 60916, 67512, 72848, 91374, 109272, 121832, 135024, 182748, 218544, 243664, 365496, 441641, 730992, 883282, 1324923, 1766564, 2649846, 3533128, 5299692, 7066256, 10599384, 21198768]

約数ペア:

[(1, 21198768), (2, 10599384), (3, 7066256), (4, 5299692), (6, 3533128), (8, 2649846), (12, 1766564), (16, 1324923), (24, 883282), (29, 730992), (48, 441641), (58, 365496), (87, 243664), (97, 218544), (116, 182748), (157, 135024), (174, 121832), (194, 109272), (232, 91374), (291, 72848), (314, 67512), (348, 60916), (388, 54636), (464, 45687), (471, 45008), (582, 36424), (628, 33756), (696, 30458), (776, 27318), (942, 22504), (1164, 18212), (1256, 16878), (1392, 15229), (1552, 13659), (1884, 11252), (2328, 9106), (2512, 8439), (2813, 7536), (3768, 5626), (4553, 4656)]