21490368

素因数分解:

$2^6\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 112

約数和(自身を含む): 61691520

約数和(自身を除く): 40201152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 43, 48, 57, 64, 76, 86, 96, 114, 129, 137, 152, 172, 192, 228, 258, 274, 304, 344, 411, 456, 516, 548, 608, 688, 817, 822, 912, 1032, 1096, 1216, 1376, 1634, 1644, 1824, 2064, 2192, 2451, 2603, 2752, 3268, 3288, 3648, 4128, 4384, 4902, 5206, 5891, 6536, 6576, 7809, 8256, 8768, 9804, 10412, 11782, 13072, 13152, 15618, 17673, 19608, 20824, 23564, 26144, 26304, 31236, 35346, 39216, 41648, 47128, 52288, 62472, 70692, 78432, 83296, 94256, 111929, 124944, 141384, 156864, 166592, 188512, 223858, 249888, 282768, 335787, 377024, 447716, 499776, 565536, 671574, 895432, 1131072, 1343148, 1790864, 2686296, 3581728, 5372592, 7163456, 10745184, 21490368]

約数ペア:

[(1, 21490368), (2, 10745184), (3, 7163456), (4, 5372592), (6, 3581728), (8, 2686296), (12, 1790864), (16, 1343148), (19, 1131072), (24, 895432), (32, 671574), (38, 565536), (43, 499776), (48, 447716), (57, 377024), (64, 335787), (76, 282768), (86, 249888), (96, 223858), (114, 188512), (129, 166592), (137, 156864), (152, 141384), (172, 124944), (192, 111929), (228, 94256), (258, 83296), (274, 78432), (304, 70692), (344, 62472), (411, 52288), (456, 47128), (516, 41648), (548, 39216), (608, 35346), (688, 31236), (817, 26304), (822, 26144), (912, 23564), (1032, 20824), (1096, 19608), (1216, 17673), (1376, 15618), (1634, 13152), (1644, 13072), (1824, 11782), (2064, 10412), (2192, 9804), (2451, 8768), (2603, 8256), (2752, 7809), (3268, 6576), (3288, 6536), (3648, 5891), (4128, 5206), (4384, 4902)]