21659092

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 47071360

約数和(自身を除く): 25412268

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 157, 182, 314, 364, 379, 628, 758, 1099, 1516, 2041, 2198, 2653, 4082, 4396, 4927, 5306, 8164, 9854, 10612, 14287, 19708, 28574, 34489, 57148, 59503, 68978, 119006, 137956, 238012, 416521, 773539, 833042, 1547078, 1666084, 3094156, 5414773, 10829546, 21659092]

約数ペア:

[(1, 21659092), (2, 10829546), (4, 5414773), (7, 3094156), (13, 1666084), (14, 1547078), (26, 833042), (28, 773539), (52, 416521), (91, 238012), (157, 137956), (182, 119006), (314, 68978), (364, 59503), (379, 57148), (628, 34489), (758, 28574), (1099, 19708), (1516, 14287), (2041, 10612), (2198, 9854), (2653, 8164), (4082, 5306), (4396, 4927)]