21219248

素因数分解:

$2^4\times {\mathrm{23}}^3\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 40

約数和(自身を含む): 43375200

約数和(自身を除く): 22155952

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 109, 184, 218, 368, 436, 529, 872, 1058, 1744, 2116, 2507, 4232, 5014, 8464, 10028, 12167, 20056, 24334, 40112, 48668, 57661, 97336, 115322, 194672, 230644, 461288, 922576, 1326203, 2652406, 5304812, 10609624, 21219248]

約数ペア:

[(1, 21219248), (2, 10609624), (4, 5304812), (8, 2652406), (16, 1326203), (23, 922576), (46, 461288), (92, 230644), (109, 194672), (184, 115322), (218, 97336), (368, 57661), (436, 48668), (529, 40112), (872, 24334), (1058, 20056), (1744, 12167), (2116, 10028), (2507, 8464), (4232, 5014)]