21556501811

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1\times {\mathrm{773}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 23900401728

約数和(自身を除く): 2343899917

約数列:

[1, 13, 67, 101, 317, 773, 871, 1313, 4121, 6767, 10049, 21239, 32017, 51791, 78073, 87971, 245041, 276107, 416221, 673283, 1014949, 2145139, 3185533, 5230891, 16417747, 24749141, 27886807, 68001583, 213430711, 321738833, 1658192447, 21556501811]

約数ペア:

[(1, 21556501811), (13, 1658192447), (67, 321738833), (101, 213430711), (317, 68001583), (773, 27886807), (871, 24749141), (1313, 16417747), (4121, 5230891), (6767, 3185533), (10049, 2145139), (21239, 1014949), (32017, 673283), (51791, 416221), (78073, 276107), (87971, 245041)]