21775402

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 17294678

約数列:

[1, 2, 11, 17, 22, 34, 67, 79, 121, 134, 158, 187, 242, 374, 737, 869, 1139, 1343, 1474, 1738, 2057, 2278, 2686, 4114, 5293, 8107, 9559, 10586, 12529, 14773, 16214, 19118, 25058, 29546, 58223, 89981, 116446, 137819, 162503, 179962, 275638, 325006, 640453, 989791, 1280906, 1979582, 10887701, 21775402]

約数ペア:

[(1, 21775402), (2, 10887701), (11, 1979582), (17, 1280906), (22, 989791), (34, 640453), (67, 325006), (79, 275638), (121, 179962), (134, 162503), (158, 137819), (187, 116446), (242, 89981), (374, 58223), (737, 29546), (869, 25058), (1139, 19118), (1343, 16214), (1474, 14773), (1738, 12529), (2057, 10586), (2278, 9559), (2686, 8107), (4114, 5293)]