21062265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6917}}^1$

素因数の和:6961

約数の個数: 32

約数和(自身を含む): 39847680

約数和(自身を除く): 18785415

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 6917, 20751, 34585, 48419, 103755, 145257, 200593, 242095, 601779, 726285, 1002965, 1404151, 3008895, 4212453, 7020755, 21062265]

約数ペア:

[(1, 21062265), (3, 7020755), (5, 4212453), (7, 3008895), (15, 1404151), (21, 1002965), (29, 726285), (35, 601779), (87, 242095), (105, 200593), (145, 145257), (203, 103755), (435, 48419), (609, 34585), (1015, 20751), (3045, 6917)]