21405160798

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{6373}}^1$

素因数の和:6593

約数の個数: 64

約数和(自身を含む): 38770237440

約数和(自身を除く): 17365076642

約数列:

[1, 2, 7, 14, 31, 62, 71, 109, 142, 217, 218, 434, 497, 763, 994, 1526, 2201, 3379, 4402, 6373, 6758, 7739, 12746, 15407, 15478, 23653, 30814, 44611, 47306, 54173, 89222, 108346, 197563, 239909, 395126, 452483, 479818, 694657, 904966, 1382941, 1389314, 1679363, 2765882, 3167381, 3358726, 4862599, 6334762, 9725198, 14026973, 21534367, 28053946, 43068734, 49320647, 98188811, 98641294, 150740569, 196377622, 301481138, 345244529, 690489058, 1528940057, 3057880114, 10702580399, 21405160798]

約数ペア:

[(1, 21405160798), (2, 10702580399), (7, 3057880114), (14, 1528940057), (31, 690489058), (62, 345244529), (71, 301481138), (109, 196377622), (142, 150740569), (217, 98641294), (218, 98188811), (434, 49320647), (497, 43068734), (763, 28053946), (994, 21534367), (1526, 14026973), (2201, 9725198), (3379, 6334762), (4402, 4862599), (6373, 3358726), (6758, 3167381), (7739, 2765882), (12746, 1679363), (15407, 1389314), (15478, 1382941), (23653, 904966), (30814, 694657), (44611, 479818), (47306, 452483), (54173, 395126), (89222, 239909), (108346, 197563)]