21246672

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{5333}}^1$

素因数の和:5427

約数の個数: 40

約数和(自身を含む): 55558944

約数和(自身を除く): 34312272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 5333, 10666, 15999, 21332, 31998, 42664, 63996, 85328, 127992, 255984, 442639, 885278, 1327917, 1770556, 2655834, 3541112, 5311668, 7082224, 10623336, 21246672]

約数ペア:

[(1, 21246672), (2, 10623336), (3, 7082224), (4, 5311668), (6, 3541112), (8, 2655834), (12, 1770556), (16, 1327917), (24, 885278), (48, 442639), (83, 255984), (166, 127992), (249, 85328), (332, 63996), (498, 42664), (664, 31998), (996, 21332), (1328, 15999), (1992, 10666), (3984, 5333)]