21308504

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{13121}}^1$

素因数の和:13163

約数の個数: 32

約数和(自身を含む): 47239200

約数和(自身を除く): 25930696

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 13121, 26242, 52484, 91847, 104968, 183694, 367388, 380509, 734776, 761018, 1522036, 2663563, 3044072, 5327126, 10654252, 21308504]

約数ペア:

[(1, 21308504), (2, 10654252), (4, 5327126), (7, 3044072), (8, 2663563), (14, 1522036), (28, 761018), (29, 734776), (56, 380509), (58, 367388), (116, 183694), (203, 104968), (232, 91847), (406, 52484), (812, 26242), (1624, 13121)]