21392536

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{859}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 43963200

約数和(自身を除く): 22570664

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 283, 566, 859, 1132, 1718, 2264, 3113, 3436, 6226, 6872, 9449, 12452, 18898, 24904, 37796, 75592, 243097, 486194, 972388, 1944776, 2674067, 5348134, 10696268, 21392536]

約数ペア:

[(1, 21392536), (2, 10696268), (4, 5348134), (8, 2674067), (11, 1944776), (22, 972388), (44, 486194), (88, 243097), (283, 75592), (566, 37796), (859, 24904), (1132, 18898), (1718, 12452), (2264, 9449), (3113, 6872), (3436, 6226)]