21877212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7039}}^1$

素因数の和:7090

約数の個数: 48

約数和(自身を含む): 59924480

約数和(自身を除く): 38047268

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 7039, 14078, 21117, 28156, 42234, 49273, 84468, 98546, 147819, 197092, 260443, 295638, 520886, 591276, 781329, 1041772, 1562658, 1823101, 3125316, 3646202, 5469303, 7292404, 10938606, 21877212]

約数ペア:

[(1, 21877212), (2, 10938606), (3, 7292404), (4, 5469303), (6, 3646202), (7, 3125316), (12, 1823101), (14, 1562658), (21, 1041772), (28, 781329), (37, 591276), (42, 520886), (74, 295638), (84, 260443), (111, 197092), (148, 147819), (222, 98546), (259, 84468), (444, 49273), (518, 42234), (777, 28156), (1036, 21117), (1554, 14078), (3108, 7039)]