21239330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1259}}^1$

素因数の和:1514

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 22669150

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 241, 482, 1205, 1259, 1687, 2410, 2518, 3374, 6295, 8435, 8813, 12590, 16870, 17626, 44065, 88130, 303419, 606838, 1517095, 2123933, 3034190, 4247866, 10619665, 21239330]

約数ペア:

[(1, 21239330), (2, 10619665), (5, 4247866), (7, 3034190), (10, 2123933), (14, 1517095), (35, 606838), (70, 303419), (241, 88130), (482, 44065), (1205, 17626), (1259, 16870), (1687, 12590), (2410, 8813), (2518, 8435), (3374, 6295)]