21840672

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4643}}^1$

素因数の和:4670

約数の個数: 72

約数和(自身を含む): 66706416

約数和(自身を除く): 44865744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4643, 4704, 9286, 13929, 18572, 27858, 32501, 37144, 55716, 65002, 74288, 97503, 111432, 130004, 148576, 195006, 222864, 227507, 260008, 390012, 445728, 455014, 520016, 682521, 780024, 910028, 1040032, 1365042, 1560048, 1820056, 2730084, 3120096, 3640112, 5460168, 7280224, 10920336, 21840672]

約数ペア:

[(1, 21840672), (2, 10920336), (3, 7280224), (4, 5460168), (6, 3640112), (7, 3120096), (8, 2730084), (12, 1820056), (14, 1560048), (16, 1365042), (21, 1040032), (24, 910028), (28, 780024), (32, 682521), (42, 520016), (48, 455014), (49, 445728), (56, 390012), (84, 260008), (96, 227507), (98, 222864), (112, 195006), (147, 148576), (168, 130004), (196, 111432), (224, 97503), (294, 74288), (336, 65002), (392, 55716), (588, 37144), (672, 32501), (784, 27858), (1176, 18572), (1568, 13929), (2352, 9286), (4643, 4704)]