21242019945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2203}}^1\times {\mathrm{37813}}^1$

素因数の和:40041

約数の個数: 32

約数和(自身を含む): 36003768192

約数和(自身を除く): 14761748247

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 2203, 6609, 11015, 33045, 37451, 37813, 112353, 113439, 187255, 189065, 561765, 567195, 642821, 1928463, 3214105, 9642315, 83302039, 249906117, 416510195, 1249530585, 1416134663, 4248403989, 7080673315, 21242019945]

約数ペア:

[(1, 21242019945), (3, 7080673315), (5, 4248403989), (15, 1416134663), (17, 1249530585), (51, 416510195), (85, 249906117), (255, 83302039), (2203, 9642315), (6609, 3214105), (11015, 1928463), (33045, 642821), (37451, 567195), (37813, 561765), (112353, 189065), (113439, 187255)]