21881184

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 62868960

約数和(自身を除く): 40987776

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 89, 96, 104, 156, 178, 197, 208, 267, 312, 356, 394, 416, 534, 591, 624, 712, 788, 1068, 1157, 1182, 1248, 1424, 1576, 2136, 2314, 2364, 2561, 2848, 3152, 3471, 4272, 4628, 4728, 5122, 6304, 6942, 7683, 8544, 9256, 9456, 10244, 13884, 15366, 17533, 18512, 18912, 20488, 27768, 30732, 35066, 37024, 40976, 52599, 55536, 61464, 70132, 81952, 105198, 111072, 122928, 140264, 210396, 227929, 245856, 280528, 420792, 455858, 561056, 683787, 841584, 911716, 1367574, 1683168, 1823432, 2735148, 3646864, 5470296, 7293728, 10940592, 21881184]

約数ペア:

[(1, 21881184), (2, 10940592), (3, 7293728), (4, 5470296), (6, 3646864), (8, 2735148), (12, 1823432), (13, 1683168), (16, 1367574), (24, 911716), (26, 841584), (32, 683787), (39, 561056), (48, 455858), (52, 420792), (78, 280528), (89, 245856), (96, 227929), (104, 210396), (156, 140264), (178, 122928), (197, 111072), (208, 105198), (267, 81952), (312, 70132), (356, 61464), (394, 55536), (416, 52599), (534, 40976), (591, 37024), (624, 35066), (712, 30732), (788, 27768), (1068, 20488), (1157, 18912), (1182, 18512), (1248, 17533), (1424, 15366), (1576, 13884), (2136, 10244), (2314, 9456), (2364, 9256), (2561, 8544), (2848, 7683), (3152, 6942), (3471, 6304), (4272, 5122), (4628, 4728)]