21663296

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:283

約数の個数: 56

約数和(自身を含む): 45354240

約数和(自身を除く): 23690944

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 179, 244, 248, 358, 488, 496, 716, 976, 992, 1432, 1891, 1952, 1984, 2864, 3782, 3904, 5549, 5728, 7564, 10919, 11098, 11456, 15128, 21838, 22196, 30256, 43676, 44392, 60512, 87352, 88784, 121024, 174704, 177568, 338489, 349408, 355136, 676978, 698816, 1353956, 2707912, 5415824, 10831648, 21663296]

約数ペア:

[(1, 21663296), (2, 10831648), (4, 5415824), (8, 2707912), (16, 1353956), (31, 698816), (32, 676978), (61, 355136), (62, 349408), (64, 338489), (122, 177568), (124, 174704), (179, 121024), (244, 88784), (248, 87352), (358, 60512), (488, 44392), (496, 43676), (716, 30256), (976, 22196), (992, 21838), (1432, 15128), (1891, 11456), (1952, 11098), (1984, 10919), (2864, 7564), (3782, 5728), (3904, 5549)]