21466656

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3923}}^1$

素因数の和:3958

約数の個数: 72

約数和(自身を含む): 64275120

約数和(自身を除く): 42808464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 3923, 5472, 7846, 11769, 15692, 23538, 31384, 35307, 47076, 62768, 70614, 74537, 94152, 125536, 141228, 149074, 188304, 223611, 282456, 298148, 376608, 447222, 564912, 596296, 670833, 894444, 1129824, 1192592, 1341666, 1788888, 2385184, 2683332, 3577776, 5366664, 7155552, 10733328, 21466656]

約数ペア:

[(1, 21466656), (2, 10733328), (3, 7155552), (4, 5366664), (6, 3577776), (8, 2683332), (9, 2385184), (12, 1788888), (16, 1341666), (18, 1192592), (19, 1129824), (24, 894444), (32, 670833), (36, 596296), (38, 564912), (48, 447222), (57, 376608), (72, 298148), (76, 282456), (96, 223611), (114, 188304), (144, 149074), (152, 141228), (171, 125536), (228, 94152), (288, 74537), (304, 70614), (342, 62768), (456, 47076), (608, 35307), (684, 31384), (912, 23538), (1368, 15692), (1824, 11769), (2736, 7846), (3923, 5472)]