21634288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2213}}^1$

素因数の和:2281

約数の個数: 40

約数和(自身を含む): 46122048

約数和(自身を除く): 24487760

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2213, 2444, 4426, 4888, 8852, 9776, 17704, 28769, 35408, 57538, 104011, 115076, 208022, 230152, 416044, 460304, 832088, 1352143, 1664176, 2704286, 5408572, 10817144, 21634288]

約数ペア:

[(1, 21634288), (2, 10817144), (4, 5408572), (8, 2704286), (13, 1664176), (16, 1352143), (26, 832088), (47, 460304), (52, 416044), (94, 230152), (104, 208022), (188, 115076), (208, 104011), (376, 57538), (611, 35408), (752, 28769), (1222, 17704), (2213, 9776), (2444, 8852), (4426, 4888)]