21184023

素因数分解:

$3^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:221

約数の個数: 40

約数和(自身を含む): 35090928

約数和(自身を除く): 13906905

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 173, 343, 357, 519, 833, 1029, 1211, 2401, 2499, 2941, 3633, 5831, 7203, 8477, 8823, 17493, 20587, 25431, 40817, 59339, 61761, 122451, 144109, 178017, 415373, 432327, 1008763, 1246119, 3026289, 7061341, 21184023]

約数ペア:

[(1, 21184023), (3, 7061341), (7, 3026289), (17, 1246119), (21, 1008763), (49, 432327), (51, 415373), (119, 178017), (147, 144109), (173, 122451), (343, 61761), (357, 59339), (519, 40817), (833, 25431), (1029, 20587), (1211, 17493), (2401, 8823), (2499, 8477), (2941, 7203), (3633, 5831)]