21317632

素因数分解:

$2^{11}\times 7^1\times {\mathrm{1487}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 27429248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1487, 1792, 2048, 2974, 3584, 5948, 7168, 10409, 11896, 14336, 20818, 23792, 41636, 47584, 83272, 95168, 166544, 190336, 333088, 380672, 666176, 761344, 1332352, 1522688, 2664704, 3045376, 5329408, 10658816, 21317632]

約数ペア:

[(1, 21317632), (2, 10658816), (4, 5329408), (7, 3045376), (8, 2664704), (14, 1522688), (16, 1332352), (28, 761344), (32, 666176), (56, 380672), (64, 333088), (112, 190336), (128, 166544), (224, 95168), (256, 83272), (448, 47584), (512, 41636), (896, 23792), (1024, 20818), (1487, 14336), (1792, 11896), (2048, 10409), (2974, 7168), (3584, 5948)]