21908713568

素因数分解:

$2^5\times 7^1\times {\mathrm{197}}^1\times {\mathrm{496481}}^1$

素因数の和:496695

約数の個数: 48

約数和(自身を含む): 49544931744

約数和(自身を除く): 27636218176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 197, 224, 394, 788, 1379, 1576, 2758, 3152, 5516, 6304, 11032, 22064, 44128, 496481, 992962, 1985924, 3475367, 3971848, 6950734, 7943696, 13901468, 15887392, 27802936, 55605872, 97806757, 111211744, 195613514, 391227028, 684647299, 782454056, 1369294598, 1564908112, 2738589196, 3129816224, 5477178392, 10954356784, 21908713568]

約数ペア:

[(1, 21908713568), (2, 10954356784), (4, 5477178392), (7, 3129816224), (8, 2738589196), (14, 1564908112), (16, 1369294598), (28, 782454056), (32, 684647299), (56, 391227028), (112, 195613514), (197, 111211744), (224, 97806757), (394, 55605872), (788, 27802936), (1379, 15887392), (1576, 13901468), (2758, 7943696), (3152, 6950734), (5516, 3971848), (6304, 3475367), (11032, 1985924), (22064, 992962), (44128, 496481)]