21087588

素因数分解:

$2^2\times 3^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 50448384

約数和(自身を除く): 29360796

約数列:

[1, 2, 3, 4, 6, 12, 101, 127, 137, 202, 254, 274, 303, 381, 404, 411, 508, 548, 606, 762, 822, 1212, 1524, 1644, 12827, 13837, 17399, 25654, 27674, 34798, 38481, 41511, 51308, 52197, 55348, 69596, 76962, 83022, 104394, 153924, 166044, 208788, 1757299, 3514598, 5271897, 7029196, 10543794, 21087588]

約数ペア:

[(1, 21087588), (2, 10543794), (3, 7029196), (4, 5271897), (6, 3514598), (12, 1757299), (101, 208788), (127, 166044), (137, 153924), (202, 104394), (254, 83022), (274, 76962), (303, 69596), (381, 55348), (404, 52197), (411, 51308), (508, 41511), (548, 38481), (606, 34798), (762, 27674), (822, 25654), (1212, 17399), (1524, 13837), (1644, 12827)]