21709537465

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{38543}}^1$

素因数の和:38603

約数の個数: 72

約数和(自身を含む): 35064247680

約数和(自身を除く): 13354710215

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 121, 133, 209, 245, 385, 539, 605, 665, 847, 931, 1045, 1463, 2299, 2695, 4235, 4655, 5929, 7315, 10241, 11495, 16093, 29645, 38543, 51205, 80465, 112651, 192715, 269801, 423973, 563255, 732317, 1349005, 1888607, 2119865, 2967811, 3661585, 4663703, 5126219, 8055487, 9443035, 14839055, 20774677, 23318515, 25631095, 32645921, 35883533, 40277435, 56388409, 88610357, 103873385, 163229605, 179417665, 228521447, 281942045, 394718863, 443051785, 620272499, 1142607235, 1973594315, 3101362495, 4341907493, 21709537465]

約数ペア:

[(1, 21709537465), (5, 4341907493), (7, 3101362495), (11, 1973594315), (19, 1142607235), (35, 620272499), (49, 443051785), (55, 394718863), (77, 281942045), (95, 228521447), (121, 179417665), (133, 163229605), (209, 103873385), (245, 88610357), (385, 56388409), (539, 40277435), (605, 35883533), (665, 32645921), (847, 25631095), (931, 23318515), (1045, 20774677), (1463, 14839055), (2299, 9443035), (2695, 8055487), (4235, 5126219), (4655, 4663703), (5929, 3661585), (7315, 2967811), (10241, 2119865), (11495, 1888607), (16093, 1349005), (29645, 732317), (38543, 563255), (51205, 423973), (80465, 269801), (112651, 192715)]