21407488

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4919}}^1$

素因数の和:4952

約数の個数: 36

約数和(自身を含む): 45254160

約数和(自身を除く): 23846672

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4919, 9838, 19676, 39352, 78704, 83623, 157408, 167246, 314816, 334492, 629632, 668984, 1259264, 1337968, 2675936, 5351872, 10703744, 21407488]

約数ペア:

[(1, 21407488), (2, 10703744), (4, 5351872), (8, 2675936), (16, 1337968), (17, 1259264), (32, 668984), (34, 629632), (64, 334492), (68, 314816), (128, 167246), (136, 157408), (256, 83623), (272, 78704), (544, 39352), (1088, 19676), (2176, 9838), (4352, 4919)]