21776630

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1297}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 41494464

約数和(自身を除く): 19717834

約数列:

[1, 2, 5, 10, 23, 46, 73, 115, 146, 230, 365, 730, 1297, 1679, 2594, 3358, 6485, 8395, 12970, 16790, 29831, 59662, 94681, 149155, 189362, 298310, 473405, 946810, 2177663, 4355326, 10888315, 21776630]

約数ペア:

[(1, 21776630), (2, 10888315), (5, 4355326), (10, 2177663), (23, 946810), (46, 473405), (73, 298310), (115, 189362), (146, 149155), (230, 94681), (365, 59662), (730, 29831), (1297, 16790), (1679, 12970), (2594, 8395), (3358, 6485)]