21848316

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:603

約数の個数: 72

約数和(自身を含む): 60233040

約数和(自身を除く): 38384724

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 73, 84, 98, 146, 147, 196, 219, 292, 294, 438, 509, 511, 588, 876, 1018, 1022, 1527, 1533, 2036, 2044, 3054, 3066, 3563, 3577, 6108, 6132, 7126, 7154, 10689, 10731, 14252, 14308, 21378, 21462, 24941, 37157, 42756, 42924, 49882, 74314, 74823, 99764, 111471, 148628, 149646, 222942, 260099, 299292, 445884, 520198, 780297, 1040396, 1560594, 1820693, 3121188, 3641386, 5462079, 7282772, 10924158, 21848316]

約数ペア:

[(1, 21848316), (2, 10924158), (3, 7282772), (4, 5462079), (6, 3641386), (7, 3121188), (12, 1820693), (14, 1560594), (21, 1040396), (28, 780297), (42, 520198), (49, 445884), (73, 299292), (84, 260099), (98, 222942), (146, 149646), (147, 148628), (196, 111471), (219, 99764), (292, 74823), (294, 74314), (438, 49882), (509, 42924), (511, 42756), (588, 37157), (876, 24941), (1018, 21462), (1022, 21378), (1527, 14308), (1533, 14252), (2036, 10731), (2044, 10689), (3054, 7154), (3066, 7126), (3563, 6132), (3577, 6108)]