21204050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1289}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 46068480

約数和(自身を除く): 24864430

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 175, 235, 329, 350, 470, 658, 1175, 1289, 1645, 2350, 2578, 3290, 6445, 8225, 9023, 12890, 16450, 18046, 32225, 45115, 60583, 64450, 90230, 121166, 225575, 302915, 424081, 451150, 605830, 848162, 1514575, 2120405, 3029150, 4240810, 10602025, 21204050]

約数ペア:

[(1, 21204050), (2, 10602025), (5, 4240810), (7, 3029150), (10, 2120405), (14, 1514575), (25, 848162), (35, 605830), (47, 451150), (50, 424081), (70, 302915), (94, 225575), (175, 121166), (235, 90230), (329, 64450), (350, 60583), (470, 45115), (658, 32225), (1175, 18046), (1289, 16450), (1645, 12890), (2350, 9023), (2578, 8225), (3290, 6445)]