21100638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15913}}^1$

素因数の和:15948

約数の個数: 32

約数和(自身を含む): 48123936

約数和(自身を除く): 27023298

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 15913, 31826, 47739, 95478, 206869, 270521, 413738, 541042, 620607, 811563, 1241214, 1623126, 3516773, 7033546, 10550319, 21100638]

約数ペア:

[(1, 21100638), (2, 10550319), (3, 7033546), (6, 3516773), (13, 1623126), (17, 1241214), (26, 811563), (34, 620607), (39, 541042), (51, 413738), (78, 270521), (102, 206869), (221, 95478), (442, 47739), (663, 31826), (1326, 15913)]