21409236

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{16073}}^1$

素因数の和:16120

約数の個数: 36

約数和(自身を含む): 55583892

約数和(自身を除く): 34174656

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 16073, 32146, 48219, 64292, 96438, 144657, 192876, 289314, 578628, 594701, 1189402, 1784103, 2378804, 3568206, 5352309, 7136412, 10704618, 21409236]

約数ペア:

[(1, 21409236), (2, 10704618), (3, 7136412), (4, 5352309), (6, 3568206), (9, 2378804), (12, 1784103), (18, 1189402), (36, 594701), (37, 578628), (74, 289314), (111, 192876), (148, 144657), (222, 96438), (333, 64292), (444, 48219), (666, 32146), (1332, 16073)]