21291552

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1335

約数の個数: 96

約数和(自身を含む): 65419200

約数和(自身を除く): 44127648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 96, 108, 114, 144, 152, 171, 216, 228, 288, 304, 342, 432, 456, 513, 608, 684, 864, 912, 1026, 1297, 1368, 1824, 2052, 2594, 2736, 3891, 4104, 5188, 5472, 7782, 8208, 10376, 11673, 15564, 16416, 20752, 23346, 24643, 31128, 35019, 41504, 46692, 49286, 62256, 70038, 73929, 93384, 98572, 124512, 140076, 147858, 186768, 197144, 221787, 280152, 295716, 373536, 394288, 443574, 560304, 591432, 665361, 788576, 887148, 1120608, 1182864, 1330722, 1774296, 2365728, 2661444, 3548592, 5322888, 7097184, 10645776, 21291552]

約数ペア:

[(1, 21291552), (2, 10645776), (3, 7097184), (4, 5322888), (6, 3548592), (8, 2661444), (9, 2365728), (12, 1774296), (16, 1330722), (18, 1182864), (19, 1120608), (24, 887148), (27, 788576), (32, 665361), (36, 591432), (38, 560304), (48, 443574), (54, 394288), (57, 373536), (72, 295716), (76, 280152), (96, 221787), (108, 197144), (114, 186768), (144, 147858), (152, 140076), (171, 124512), (216, 98572), (228, 93384), (288, 73929), (304, 70038), (342, 62256), (432, 49286), (456, 46692), (513, 41504), (608, 35019), (684, 31128), (864, 24643), (912, 23346), (1026, 20752), (1297, 16416), (1368, 15564), (1824, 11673), (2052, 10376), (2594, 8208), (2736, 7782), (3891, 5472), (4104, 5188)]