21739824

素因数分解:

$2^4\times 3^2\times {\mathrm{223}}^1\times {\mathrm{677}}^1$

素因数の和:914

約数の個数: 60

約数和(自身を含む): 61204416

約数和(自身を除く): 39464592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 223, 446, 669, 677, 892, 1338, 1354, 1784, 2007, 2031, 2676, 2708, 3568, 4014, 4062, 5352, 5416, 6093, 8028, 8124, 10704, 10832, 12186, 16056, 16248, 24372, 32112, 32496, 48744, 97488, 150971, 301942, 452913, 603884, 905826, 1207768, 1358739, 1811652, 2415536, 2717478, 3623304, 5434956, 7246608, 10869912, 21739824]

約数ペア:

[(1, 21739824), (2, 10869912), (3, 7246608), (4, 5434956), (6, 3623304), (8, 2717478), (9, 2415536), (12, 1811652), (16, 1358739), (18, 1207768), (24, 905826), (36, 603884), (48, 452913), (72, 301942), (144, 150971), (223, 97488), (446, 48744), (669, 32496), (677, 32112), (892, 24372), (1338, 16248), (1354, 16056), (1784, 12186), (2007, 10832), (2031, 10704), (2676, 8124), (2708, 8028), (3568, 6093), (4014, 5416), (4062, 5352)]