21397152

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1873}}^1$

素因数の和:1910

約数の個数: 96

約数和(自身を含む): 68003712

約数和(自身を除く): 46606560

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 51, 56, 68, 84, 96, 102, 112, 119, 136, 168, 204, 224, 238, 272, 336, 357, 408, 476, 544, 672, 714, 816, 952, 1428, 1632, 1873, 1904, 2856, 3746, 3808, 5619, 5712, 7492, 11238, 11424, 13111, 14984, 22476, 26222, 29968, 31841, 39333, 44952, 52444, 59936, 63682, 78666, 89904, 95523, 104888, 127364, 157332, 179808, 191046, 209776, 222887, 254728, 314664, 382092, 419552, 445774, 509456, 629328, 668661, 764184, 891548, 1018912, 1258656, 1337322, 1528368, 1783096, 2674644, 3056736, 3566192, 5349288, 7132384, 10698576, 21397152]

約数ペア:

[(1, 21397152), (2, 10698576), (3, 7132384), (4, 5349288), (6, 3566192), (7, 3056736), (8, 2674644), (12, 1783096), (14, 1528368), (16, 1337322), (17, 1258656), (21, 1018912), (24, 891548), (28, 764184), (32, 668661), (34, 629328), (42, 509456), (48, 445774), (51, 419552), (56, 382092), (68, 314664), (84, 254728), (96, 222887), (102, 209776), (112, 191046), (119, 179808), (136, 157332), (168, 127364), (204, 104888), (224, 95523), (238, 89904), (272, 78666), (336, 63682), (357, 59936), (408, 52444), (476, 44952), (544, 39333), (672, 31841), (714, 29968), (816, 26222), (952, 22476), (1428, 14984), (1632, 13111), (1873, 11424), (1904, 11238), (2856, 7492), (3746, 5712), (3808, 5619)]