21252546

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5441}}^1$

素因数の和:5487

約数の個数: 48

約数和(自身を含む): 54332928

約数和(自身を除く): 33080382

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 5441, 10882, 16323, 32646, 38087, 48969, 76174, 97938, 114261, 168671, 228522, 337342, 342783, 506013, 685566, 1012026, 1180697, 1518039, 2361394, 3036078, 3542091, 7084182, 10626273, 21252546]

約数ペア:

[(1, 21252546), (2, 10626273), (3, 7084182), (6, 3542091), (7, 3036078), (9, 2361394), (14, 1518039), (18, 1180697), (21, 1012026), (31, 685566), (42, 506013), (62, 342783), (63, 337342), (93, 228522), (126, 168671), (186, 114261), (217, 97938), (279, 76174), (434, 48969), (558, 38087), (651, 32646), (1302, 16323), (1953, 10882), (3906, 5441)]