21548392

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{317}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 42071400

約数和(自身を除く): 20523008

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 293, 317, 586, 634, 1172, 1268, 2344, 2536, 8497, 9193, 16994, 18386, 33988, 36772, 67976, 73544, 92881, 185762, 371524, 743048, 2693549, 5387098, 10774196, 21548392]

約数ペア:

[(1, 21548392), (2, 10774196), (4, 5387098), (8, 2693549), (29, 743048), (58, 371524), (116, 185762), (232, 92881), (293, 73544), (317, 67976), (586, 36772), (634, 33988), (1172, 18386), (1268, 16994), (2344, 9193), (2536, 8497)]