21080494034

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{118057}}^1$

素因数の和:118242

約数の個数: 32

約数和(自身を含む): 34454046720

約数和(自身を除く): 13373552686

約数列:

[1, 2, 19, 37, 38, 74, 127, 254, 703, 1406, 2413, 4699, 4826, 9398, 89281, 118057, 178562, 236114, 2243083, 4368109, 4486166, 8736218, 14993239, 29986478, 82994071, 165988142, 284871541, 554749843, 569743082, 1109499686, 10540247017, 21080494034]

約数ペア:

[(1, 21080494034), (2, 10540247017), (19, 1109499686), (37, 569743082), (38, 554749843), (74, 284871541), (127, 165988142), (254, 82994071), (703, 29986478), (1406, 14993239), (2413, 8736218), (4699, 4486166), (4826, 4368109), (9398, 2243083), (89281, 236114), (118057, 178562)]