21971220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19273}}^1$

素因数の和:19304

約数の個数: 48

約数和(自身を含む): 64760640

約数和(自身を除く): 42789420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 19273, 38546, 57819, 77092, 96365, 115638, 192730, 231276, 289095, 366187, 385460, 578190, 732374, 1098561, 1156380, 1464748, 1830935, 2197122, 3661870, 4394244, 5492805, 7323740, 10985610, 21971220]

約数ペア:

[(1, 21971220), (2, 10985610), (3, 7323740), (4, 5492805), (5, 4394244), (6, 3661870), (10, 2197122), (12, 1830935), (15, 1464748), (19, 1156380), (20, 1098561), (30, 732374), (38, 578190), (57, 385460), (60, 366187), (76, 289095), (95, 231276), (114, 192730), (190, 115638), (228, 96365), (285, 77092), (380, 57819), (570, 38546), (1140, 19273)]