21570297906

素因数分解:

$2^1\times 3^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1\times {\mathrm{643}}^1$

素因数の和:1227

約数の個数: 64

約数和(自身を含む): 44013062016

約数和(自身を除く): 22442764110

約数列:

[1, 2, 3, 6, 101, 197, 202, 281, 303, 394, 562, 591, 606, 643, 843, 1182, 1286, 1686, 1929, 3858, 19897, 28381, 39794, 55357, 56762, 59691, 64943, 85143, 110714, 119382, 126671, 129886, 166071, 170286, 180683, 194829, 253342, 332142, 361366, 380013, 389658, 542049, 760026, 1084098, 5591057, 11182114, 12793771, 16773171, 18248983, 25587542, 33546342, 35594551, 36497966, 38381313, 54746949, 71189102, 76762626, 106783653, 109493898, 213567306, 3595049651, 7190099302, 10785148953, 21570297906]

約数ペア:

[(1, 21570297906), (2, 10785148953), (3, 7190099302), (6, 3595049651), (101, 213567306), (197, 109493898), (202, 106783653), (281, 76762626), (303, 71189102), (394, 54746949), (562, 38381313), (591, 36497966), (606, 35594551), (643, 33546342), (843, 25587542), (1182, 18248983), (1286, 16773171), (1686, 12793771), (1929, 11182114), (3858, 5591057), (19897, 1084098), (28381, 760026), (39794, 542049), (55357, 389658), (56762, 380013), (59691, 361366), (64943, 332142), (85143, 253342), (110714, 194829), (119382, 180683), (126671, 170286), (129886, 166071)]