21974295

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{4271}}^1$

素因数の和:4300

約数の個数: 32

約数和(自身を含む): 41011200

約数和(自身を除く): 19036905

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 4271, 5145, 12813, 21355, 29897, 64065, 89691, 149485, 209279, 448455, 627837, 1046395, 1464953, 3139185, 4394859, 7324765, 21974295]

約数ペア:

[(1, 21974295), (3, 7324765), (5, 4394859), (7, 3139185), (15, 1464953), (21, 1046395), (35, 627837), (49, 448455), (105, 209279), (147, 149485), (245, 89691), (343, 64065), (735, 29897), (1029, 21355), (1715, 12813), (4271, 5145)]