21417746

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 38085120

約数和(自身を除く): 16667374

約数列:

[1, 2, 7, 14, 37, 74, 173, 239, 259, 346, 478, 518, 1211, 1673, 2422, 3346, 6401, 8843, 12802, 17686, 41347, 44807, 61901, 82694, 89614, 123802, 289429, 578858, 1529839, 3059678, 10708873, 21417746]

約数ペア:

[(1, 21417746), (2, 10708873), (7, 3059678), (14, 1529839), (37, 578858), (74, 289429), (173, 123802), (239, 89614), (259, 82694), (346, 61901), (478, 44807), (518, 41347), (1211, 17686), (1673, 12802), (2422, 8843), (3346, 6401)]