21424704

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:880

約数の個数: 112

約数和(自身を含む): 68275200

約数和(自身を除く): 46850496

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 32, 38, 42, 48, 56, 57, 64, 76, 84, 96, 112, 114, 133, 152, 168, 192, 224, 228, 266, 304, 336, 399, 448, 456, 532, 608, 672, 798, 839, 912, 1064, 1216, 1344, 1596, 1678, 1824, 2128, 2517, 3192, 3356, 3648, 4256, 5034, 5873, 6384, 6712, 8512, 10068, 11746, 12768, 13424, 15941, 17619, 20136, 23492, 25536, 26848, 31882, 35238, 40272, 46984, 47823, 53696, 63764, 70476, 80544, 93968, 95646, 111587, 127528, 140952, 161088, 187936, 191292, 223174, 255056, 281904, 334761, 375872, 382584, 446348, 510112, 563808, 669522, 765168, 892696, 1020224, 1127616, 1339044, 1530336, 1785392, 2678088, 3060672, 3570784, 5356176, 7141568, 10712352, 21424704]

約数ペア:

[(1, 21424704), (2, 10712352), (3, 7141568), (4, 5356176), (6, 3570784), (7, 3060672), (8, 2678088), (12, 1785392), (14, 1530336), (16, 1339044), (19, 1127616), (21, 1020224), (24, 892696), (28, 765168), (32, 669522), (38, 563808), (42, 510112), (48, 446348), (56, 382584), (57, 375872), (64, 334761), (76, 281904), (84, 255056), (96, 223174), (112, 191292), (114, 187936), (133, 161088), (152, 140952), (168, 127528), (192, 111587), (224, 95646), (228, 93968), (266, 80544), (304, 70476), (336, 63764), (399, 53696), (448, 47823), (456, 46984), (532, 40272), (608, 35238), (672, 31882), (798, 26848), (839, 25536), (912, 23492), (1064, 20136), (1216, 17619), (1344, 15941), (1596, 13424), (1678, 12768), (1824, 11746), (2128, 10068), (2517, 8512), (3192, 6712), (3356, 6384), (3648, 5873), (4256, 5034)]