21227568

素因数分解:

$2^4\times 3^1\times {\mathrm{89}}^1\times {\mathrm{4969}}^1$

素因数の和:5069

約数の個数: 40

約数和(自身を含む): 55465200

約数和(自身を除く): 34237632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 89, 178, 267, 356, 534, 712, 1068, 1424, 2136, 4272, 4969, 9938, 14907, 19876, 29814, 39752, 59628, 79504, 119256, 238512, 442241, 884482, 1326723, 1768964, 2653446, 3537928, 5306892, 7075856, 10613784, 21227568]

約数ペア:

[(1, 21227568), (2, 10613784), (3, 7075856), (4, 5306892), (6, 3537928), (8, 2653446), (12, 1768964), (16, 1326723), (24, 884482), (48, 442241), (89, 238512), (178, 119256), (267, 79504), (356, 59628), (534, 39752), (712, 29814), (1068, 19876), (1424, 14907), (2136, 9938), (4272, 4969)]