21336856240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{38101529}}^1$

素因数の和:38101549

約数の個数: 40

約数和(自身を含む): 56695076640

約数和(自身を除く): 35358220400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 38101529, 76203058, 152406116, 190507645, 266710703, 304812232, 381015290, 533421406, 609624464, 762030580, 1066842812, 1333553515, 1524061160, 2133685624, 2667107030, 3048122320, 4267371248, 5334214060, 10668428120, 21336856240]

約数ペア:

[(1, 21336856240), (2, 10668428120), (4, 5334214060), (5, 4267371248), (7, 3048122320), (8, 2667107030), (10, 2133685624), (14, 1524061160), (16, 1333553515), (20, 1066842812), (28, 762030580), (35, 609624464), (40, 533421406), (56, 381015290), (70, 304812232), (80, 266710703), (112, 190507645), (140, 152406116), (280, 76203058), (560, 38101529)]