21406224

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63709}}^1$

素因数の和:63727

約数の個数: 40

約数和(自身を含む): 63200320

約数和(自身を除く): 41794096

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63709, 127418, 191127, 254836, 382254, 445963, 509672, 764508, 891926, 1019344, 1337889, 1529016, 1783852, 2675778, 3058032, 3567704, 5351556, 7135408, 10703112, 21406224]

約数ペア:

[(1, 21406224), (2, 10703112), (3, 7135408), (4, 5351556), (6, 3567704), (7, 3058032), (8, 2675778), (12, 1783852), (14, 1529016), (16, 1337889), (21, 1019344), (24, 891926), (28, 764508), (42, 509672), (48, 445963), (56, 382254), (84, 254836), (112, 191127), (168, 127418), (336, 63709)]