21882490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16453}}^1$

素因数の和:16486

約数の個数: 32

約数和(自身を含む): 47387520

約数和(自身を除く): 25505030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16453, 32906, 82265, 115171, 164530, 230342, 312607, 575855, 625214, 1151710, 1563035, 2188249, 3126070, 4376498, 10941245, 21882490]

約数ペア:

[(1, 21882490), (2, 10941245), (5, 4376498), (7, 3126070), (10, 2188249), (14, 1563035), (19, 1151710), (35, 625214), (38, 575855), (70, 312607), (95, 230342), (133, 164530), (190, 115171), (266, 82265), (665, 32906), (1330, 16453)]