21203392

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 112

約数和(自身を含む): 52669440

約数和(自身を除く): 31466048

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 47, 53, 56, 64, 76, 94, 106, 112, 133, 152, 188, 212, 224, 266, 304, 329, 371, 376, 424, 448, 532, 608, 658, 742, 752, 848, 893, 1007, 1064, 1216, 1316, 1484, 1504, 1696, 1786, 2014, 2128, 2491, 2632, 2968, 3008, 3392, 3572, 4028, 4256, 4982, 5264, 5936, 6251, 7049, 7144, 8056, 8512, 9964, 10528, 11872, 12502, 14098, 14288, 16112, 17437, 19928, 21056, 23744, 25004, 28196, 28576, 32224, 34874, 39856, 47329, 50008, 56392, 57152, 64448, 69748, 79712, 94658, 100016, 112784, 139496, 159424, 189316, 200032, 225568, 278992, 331303, 378632, 400064, 451136, 557984, 662606, 757264, 1115968, 1325212, 1514528, 2650424, 3029056, 5300848, 10601696, 21203392]

約数ペア:

[(1, 21203392), (2, 10601696), (4, 5300848), (7, 3029056), (8, 2650424), (14, 1514528), (16, 1325212), (19, 1115968), (28, 757264), (32, 662606), (38, 557984), (47, 451136), (53, 400064), (56, 378632), (64, 331303), (76, 278992), (94, 225568), (106, 200032), (112, 189316), (133, 159424), (152, 139496), (188, 112784), (212, 100016), (224, 94658), (266, 79712), (304, 69748), (329, 64448), (371, 57152), (376, 56392), (424, 50008), (448, 47329), (532, 39856), (608, 34874), (658, 32224), (742, 28576), (752, 28196), (848, 25004), (893, 23744), (1007, 21056), (1064, 19928), (1216, 17437), (1316, 16112), (1484, 14288), (1504, 14098), (1696, 12502), (1786, 11872), (2014, 10528), (2128, 9964), (2491, 8512), (2632, 8056), (2968, 7144), (3008, 7049), (3392, 6251), (3572, 5936), (4028, 5264), (4256, 4982)]