21906024

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1571}}^1$

素因数の和:1670

約数の個数: 64

約数和(自身を含む): 63383040

約数和(自身を除く): 41477016

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 83, 84, 166, 168, 249, 332, 498, 581, 664, 996, 1162, 1571, 1743, 1992, 2324, 3142, 3486, 4648, 4713, 6284, 6972, 9426, 10997, 12568, 13944, 18852, 21994, 32991, 37704, 43988, 65982, 87976, 130393, 131964, 260786, 263928, 391179, 521572, 782358, 912751, 1043144, 1564716, 1825502, 2738253, 3129432, 3651004, 5476506, 7302008, 10953012, 21906024]

約数ペア:

[(1, 21906024), (2, 10953012), (3, 7302008), (4, 5476506), (6, 3651004), (7, 3129432), (8, 2738253), (12, 1825502), (14, 1564716), (21, 1043144), (24, 912751), (28, 782358), (42, 521572), (56, 391179), (83, 263928), (84, 260786), (166, 131964), (168, 130393), (249, 87976), (332, 65982), (498, 43988), (581, 37704), (664, 32991), (996, 21994), (1162, 18852), (1571, 13944), (1743, 12568), (1992, 10997), (2324, 9426), (3142, 6972), (3486, 6284), (4648, 4713)]