21947744

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7537}}^1$

素因数の和:7567

約数の個数: 48

約数和(自身を含む): 53188128

約数和(自身を除く): 31240384

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 7537, 15074, 30148, 52759, 60296, 97981, 105518, 120592, 195962, 211036, 241184, 391924, 422072, 685867, 783848, 844144, 1371734, 1567696, 1688288, 2743468, 3135392, 5486936, 10973872, 21947744]

約数ペア:

[(1, 21947744), (2, 10973872), (4, 5486936), (7, 3135392), (8, 2743468), (13, 1688288), (14, 1567696), (16, 1371734), (26, 844144), (28, 783848), (32, 685867), (52, 422072), (56, 391924), (91, 241184), (104, 211036), (112, 195962), (182, 120592), (208, 105518), (224, 97981), (364, 60296), (416, 52759), (728, 30148), (1456, 15074), (2912, 7537)]