21480492572

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{576379}}^1$

素因数の和:576423

約数の個数: 48

約数和(自身を含む): 47253937920

約数和(自身を除く): 25773445348

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1331, 1694, 2662, 3388, 5324, 9317, 18634, 37268, 576379, 1152758, 2305516, 4034653, 6340169, 8069306, 12680338, 16138612, 25360676, 44381183, 69741859, 88762366, 139483718, 177524732, 278967436, 488193013, 767160449, 976386026, 1534320898, 1952772052, 3068641796, 5370123143, 10740246286, 21480492572]

約数ペア:

[(1, 21480492572), (2, 10740246286), (4, 5370123143), (7, 3068641796), (11, 1952772052), (14, 1534320898), (22, 976386026), (28, 767160449), (44, 488193013), (77, 278967436), (121, 177524732), (154, 139483718), (242, 88762366), (308, 69741859), (484, 44381183), (847, 25360676), (1331, 16138612), (1694, 12680338), (2662, 8069306), (3388, 6340169), (5324, 4034653), (9317, 2305516), (18634, 1152758), (37268, 576379)]