21837928

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 52633800

約数和(自身を除く): 30795872

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 29, 34, 49, 56, 58, 68, 98, 113, 116, 119, 136, 196, 203, 226, 232, 238, 392, 406, 452, 476, 493, 791, 812, 833, 904, 952, 986, 1421, 1582, 1624, 1666, 1921, 1972, 2842, 3164, 3277, 3332, 3451, 3842, 3944, 5537, 5684, 6328, 6554, 6664, 6902, 7684, 11074, 11368, 13108, 13447, 13804, 15368, 22148, 22939, 24157, 26216, 26894, 27608, 44296, 45878, 48314, 53788, 55709, 91756, 94129, 96628, 107576, 111418, 160573, 183512, 188258, 193256, 222836, 321146, 376516, 389963, 445672, 642292, 753032, 779926, 1284584, 1559852, 2729741, 3119704, 5459482, 10918964, 21837928]

約数ペア:

[(1, 21837928), (2, 10918964), (4, 5459482), (7, 3119704), (8, 2729741), (14, 1559852), (17, 1284584), (28, 779926), (29, 753032), (34, 642292), (49, 445672), (56, 389963), (58, 376516), (68, 321146), (98, 222836), (113, 193256), (116, 188258), (119, 183512), (136, 160573), (196, 111418), (203, 107576), (226, 96628), (232, 94129), (238, 91756), (392, 55709), (406, 53788), (452, 48314), (476, 45878), (493, 44296), (791, 27608), (812, 26894), (833, 26216), (904, 24157), (952, 22939), (986, 22148), (1421, 15368), (1582, 13804), (1624, 13447), (1666, 13108), (1921, 11368), (1972, 11074), (2842, 7684), (3164, 6902), (3277, 6664), (3332, 6554), (3451, 6328), (3842, 5684), (3944, 5537)]