21521472

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:328

約数の個数: 112

約数和(自身を含む): 66324480

約数和(自身を除く): 44803008

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 67, 84, 96, 112, 134, 168, 192, 201, 224, 239, 268, 336, 402, 448, 469, 478, 536, 672, 717, 804, 938, 956, 1072, 1344, 1407, 1434, 1608, 1673, 1876, 1912, 2144, 2814, 2868, 3216, 3346, 3752, 3824, 4288, 5019, 5628, 5736, 6432, 6692, 7504, 7648, 10038, 11256, 11472, 12864, 13384, 15008, 15296, 16013, 20076, 22512, 22944, 26768, 30016, 32026, 40152, 45024, 45888, 48039, 53536, 64052, 80304, 90048, 96078, 107072, 112091, 128104, 160608, 192156, 224182, 256208, 321216, 336273, 384312, 448364, 512416, 672546, 768624, 896728, 1024832, 1345092, 1537248, 1793456, 2690184, 3074496, 3586912, 5380368, 7173824, 10760736, 21521472]

約数ペア:

[(1, 21521472), (2, 10760736), (3, 7173824), (4, 5380368), (6, 3586912), (7, 3074496), (8, 2690184), (12, 1793456), (14, 1537248), (16, 1345092), (21, 1024832), (24, 896728), (28, 768624), (32, 672546), (42, 512416), (48, 448364), (56, 384312), (64, 336273), (67, 321216), (84, 256208), (96, 224182), (112, 192156), (134, 160608), (168, 128104), (192, 112091), (201, 107072), (224, 96078), (239, 90048), (268, 80304), (336, 64052), (402, 53536), (448, 48039), (469, 45888), (478, 45024), (536, 40152), (672, 32026), (717, 30016), (804, 26768), (938, 22944), (956, 22512), (1072, 20076), (1344, 16013), (1407, 15296), (1434, 15008), (1608, 13384), (1673, 12864), (1876, 11472), (1912, 11256), (2144, 10038), (2814, 7648), (2868, 7504), (3216, 6692), (3346, 6432), (3752, 5736), (3824, 5628), (4288, 5019)]