21158256

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{62971}}^1$

素因数の和:62989

約数の個数: 40

約数和(自身を含む): 62468224

約数和(自身を除く): 41309968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 62971, 125942, 188913, 251884, 377826, 440797, 503768, 755652, 881594, 1007536, 1322391, 1511304, 1763188, 2644782, 3022608, 3526376, 5289564, 7052752, 10579128, 21158256]

約数ペア:

[(1, 21158256), (2, 10579128), (3, 7052752), (4, 5289564), (6, 3526376), (7, 3022608), (8, 2644782), (12, 1763188), (14, 1511304), (16, 1322391), (21, 1007536), (24, 881594), (28, 755652), (42, 503768), (48, 440797), (56, 377826), (84, 251884), (112, 188913), (168, 125942), (336, 62971)]