21260304

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:345

約数の個数: 120

約数和(自身を含む): 65875992

約数和(自身を除く): 44615688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 41, 48, 52, 72, 78, 82, 104, 117, 123, 144, 156, 164, 208, 234, 246, 277, 312, 328, 369, 468, 492, 533, 554, 624, 656, 738, 831, 936, 984, 1066, 1108, 1476, 1599, 1662, 1872, 1968, 2132, 2216, 2493, 2952, 3198, 3324, 3601, 4264, 4432, 4797, 4986, 5904, 6396, 6648, 7202, 8528, 9594, 9972, 10803, 11357, 12792, 13296, 14404, 19188, 19944, 21606, 22714, 25584, 28808, 32409, 34071, 38376, 39888, 43212, 45428, 57616, 64818, 68142, 76752, 86424, 90856, 102213, 129636, 136284, 147641, 172848, 181712, 204426, 259272, 272568, 295282, 408852, 442923, 518544, 545136, 590564, 817704, 885846, 1181128, 1328769, 1635408, 1771692, 2362256, 2657538, 3543384, 5315076, 7086768, 10630152, 21260304]

約数ペア:

[(1, 21260304), (2, 10630152), (3, 7086768), (4, 5315076), (6, 3543384), (8, 2657538), (9, 2362256), (12, 1771692), (13, 1635408), (16, 1328769), (18, 1181128), (24, 885846), (26, 817704), (36, 590564), (39, 545136), (41, 518544), (48, 442923), (52, 408852), (72, 295282), (78, 272568), (82, 259272), (104, 204426), (117, 181712), (123, 172848), (144, 147641), (156, 136284), (164, 129636), (208, 102213), (234, 90856), (246, 86424), (277, 76752), (312, 68142), (328, 64818), (369, 57616), (468, 45428), (492, 43212), (533, 39888), (554, 38376), (624, 34071), (656, 32409), (738, 28808), (831, 25584), (936, 22714), (984, 21606), (1066, 19944), (1108, 19188), (1476, 14404), (1599, 13296), (1662, 12792), (1872, 11357), (1968, 10803), (2132, 9972), (2216, 9594), (2493, 8528), (2952, 7202), (3198, 6648), (3324, 6396), (3601, 5904), (4264, 4986), (4432, 4797)]