21949664

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{491}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 47609856

約数和(自身を除く): 25660192

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 127, 176, 254, 352, 491, 508, 982, 1016, 1397, 1964, 2032, 2794, 3928, 4064, 5401, 5588, 7856, 10802, 11176, 15712, 21604, 22352, 43208, 44704, 62357, 86416, 124714, 172832, 249428, 498856, 685927, 997712, 1371854, 1995424, 2743708, 5487416, 10974832, 21949664]

約数ペア:

[(1, 21949664), (2, 10974832), (4, 5487416), (8, 2743708), (11, 1995424), (16, 1371854), (22, 997712), (32, 685927), (44, 498856), (88, 249428), (127, 172832), (176, 124714), (254, 86416), (352, 62357), (491, 44704), (508, 43208), (982, 22352), (1016, 21604), (1397, 15712), (1964, 11176), (2032, 10802), (2794, 7856), (3928, 5588), (4064, 5401)]