21214024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 44320500

約数和(自身を除く): 23106476

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 148, 149, 296, 298, 481, 596, 962, 1192, 1369, 1924, 1937, 2738, 3848, 3874, 5476, 5513, 7748, 10952, 11026, 15496, 17797, 22052, 35594, 44104, 71188, 71669, 142376, 143338, 203981, 286676, 407962, 573352, 815924, 1631848, 2651753, 5303506, 10607012, 21214024]

約数ペア:

[(1, 21214024), (2, 10607012), (4, 5303506), (8, 2651753), (13, 1631848), (26, 815924), (37, 573352), (52, 407962), (74, 286676), (104, 203981), (148, 143338), (149, 142376), (296, 71669), (298, 71188), (481, 44104), (596, 35594), (962, 22052), (1192, 17797), (1369, 15496), (1924, 11026), (1937, 10952), (2738, 7748), (3848, 5513), (3874, 5476)]