21393216

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2857}}^1$

素因数の和:2888

約数の個数: 84

約数和(自身を含む): 66059812

約数和(自身を除く): 44666596

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 144, 156, 192, 208, 234, 288, 312, 416, 468, 576, 624, 832, 936, 1248, 1872, 2496, 2857, 3744, 5714, 7488, 8571, 11428, 17142, 22856, 25713, 34284, 37141, 45712, 51426, 68568, 74282, 91424, 102852, 111423, 137136, 148564, 182848, 205704, 222846, 274272, 297128, 334269, 411408, 445692, 548544, 594256, 668538, 822816, 891384, 1188512, 1337076, 1645632, 1782768, 2377024, 2674152, 3565536, 5348304, 7131072, 10696608, 21393216]

約数ペア:

[(1, 21393216), (2, 10696608), (3, 7131072), (4, 5348304), (6, 3565536), (8, 2674152), (9, 2377024), (12, 1782768), (13, 1645632), (16, 1337076), (18, 1188512), (24, 891384), (26, 822816), (32, 668538), (36, 594256), (39, 548544), (48, 445692), (52, 411408), (64, 334269), (72, 297128), (78, 274272), (96, 222846), (104, 205704), (117, 182848), (144, 148564), (156, 137136), (192, 111423), (208, 102852), (234, 91424), (288, 74282), (312, 68568), (416, 51426), (468, 45712), (576, 37141), (624, 34284), (832, 25713), (936, 22856), (1248, 17142), (1872, 11428), (2496, 8571), (2857, 7488), (3744, 5714)]