21309216

素因数分解:

$2^5\times 3^1\times {\mathrm{67}}^1\times {\mathrm{3313}}^1$

素因数の和:3393

約数の個数: 48

約数和(自身を含む): 56788704

約数和(自身を除く): 35479488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 67, 96, 134, 201, 268, 402, 536, 804, 1072, 1608, 2144, 3216, 3313, 6432, 6626, 9939, 13252, 19878, 26504, 39756, 53008, 79512, 106016, 159024, 221971, 318048, 443942, 665913, 887884, 1331826, 1775768, 2663652, 3551536, 5327304, 7103072, 10654608, 21309216]

約数ペア:

[(1, 21309216), (2, 10654608), (3, 7103072), (4, 5327304), (6, 3551536), (8, 2663652), (12, 1775768), (16, 1331826), (24, 887884), (32, 665913), (48, 443942), (67, 318048), (96, 221971), (134, 159024), (201, 106016), (268, 79512), (402, 53008), (536, 39756), (804, 26504), (1072, 19878), (1608, 13252), (2144, 9939), (3216, 6626), (3313, 6432)]