21167166265

素因数分解:

$5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{13729}}^1$

素因数の和:13815

約数の個数: 64

約数和(自身を含む): 31633920000

約数和(自身を除く): 10466753735

約数列:

[1, 5, 7, 29, 31, 35, 49, 145, 155, 203, 217, 245, 343, 899, 1015, 1085, 1421, 1519, 1715, 4495, 6293, 7105, 7595, 9947, 10633, 13729, 31465, 44051, 49735, 53165, 68645, 96103, 220255, 308357, 398141, 425599, 480515, 672721, 1541785, 1990705, 2127995, 2786987, 2979193, 3363605, 4709047, 12342371, 13934935, 14895965, 19508909, 20854351, 23545235, 61711855, 86396597, 97544545, 104271755, 136562363, 145980457, 431982985, 604776179, 682811815, 729902285, 3023880895, 4233433253, 21167166265]

約数ペア:

[(1, 21167166265), (5, 4233433253), (7, 3023880895), (29, 729902285), (31, 682811815), (35, 604776179), (49, 431982985), (145, 145980457), (155, 136562363), (203, 104271755), (217, 97544545), (245, 86396597), (343, 61711855), (899, 23545235), (1015, 20854351), (1085, 19508909), (1421, 14895965), (1519, 13934935), (1715, 12342371), (4495, 4709047), (6293, 3363605), (7105, 2979193), (7595, 2786987), (9947, 2127995), (10633, 1990705), (13729, 1541785), (31465, 672721), (44051, 480515), (49735, 425599), (53165, 398141), (68645, 308357), (96103, 220255)]