21630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1$

素因数の和:120

約数の個数: 32

約数和(自身を含む): 59904

約数和(自身を除く): 38274

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 103, 105, 206, 210, 309, 515, 618, 721, 1030, 1442, 1545, 2163, 3090, 3605, 4326, 7210, 10815, 21630]

約数ペア:

[(1, 21630), (2, 10815), (3, 7210), (5, 4326), (6, 3605), (7, 3090), (10, 2163), (14, 1545), (15, 1442), (21, 1030), (30, 721), (35, 618), (42, 515), (70, 309), (103, 210), (105, 206)]