21612656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3583}}^1$

素因数の和:3633

約数の個数: 40

約数和(自身を含む): 46663680

約数和(自身を除く): 25051024

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 3016, 3583, 6032, 7166, 14332, 28664, 46579, 57328, 93158, 103907, 186316, 207814, 372632, 415628, 745264, 831256, 1350791, 1662512, 2701582, 5403164, 10806328, 21612656]

約数ペア:

[(1, 21612656), (2, 10806328), (4, 5403164), (8, 2701582), (13, 1662512), (16, 1350791), (26, 831256), (29, 745264), (52, 415628), (58, 372632), (104, 207814), (116, 186316), (208, 103907), (232, 93158), (377, 57328), (464, 46579), (754, 28664), (1508, 14332), (3016, 7166), (3583, 6032)]