21137064

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1831}}^1$

素因数の和:1890

約数の個数: 64

約数和(自身を含む): 58477440

約数和(自身を除く): 37340376

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 148, 156, 222, 296, 312, 444, 481, 888, 962, 1443, 1831, 1924, 2886, 3662, 3848, 5493, 5772, 7324, 10986, 11544, 14648, 21972, 23803, 43944, 47606, 67747, 71409, 95212, 135494, 142818, 190424, 203241, 270988, 285636, 406482, 541976, 571272, 812964, 880711, 1625928, 1761422, 2642133, 3522844, 5284266, 7045688, 10568532, 21137064]

約数ペア:

[(1, 21137064), (2, 10568532), (3, 7045688), (4, 5284266), (6, 3522844), (8, 2642133), (12, 1761422), (13, 1625928), (24, 880711), (26, 812964), (37, 571272), (39, 541976), (52, 406482), (74, 285636), (78, 270988), (104, 203241), (111, 190424), (148, 142818), (156, 135494), (222, 95212), (296, 71409), (312, 67747), (444, 47606), (481, 43944), (888, 23803), (962, 21972), (1443, 14648), (1831, 11544), (1924, 10986), (2886, 7324), (3662, 5772), (3848, 5493)]