21330785955

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1225

約数の個数: 128

約数和(自身を含む): 39265689600

約数和(自身を除く): 17934903645

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 59, 71, 85, 95, 177, 213, 255, 285, 295, 323, 355, 885, 969, 1003, 1051, 1065, 1121, 1207, 1349, 1615, 3009, 3153, 3363, 3621, 4047, 4189, 4845, 5015, 5255, 5605, 6035, 6745, 12567, 15045, 15765, 16815, 17867, 18105, 19057, 19969, 20235, 20945, 22933, 53601, 57171, 59907, 62009, 62835, 68799, 71213, 74621, 79591, 89335, 95285, 99845, 114665, 186027, 213639, 223863, 238773, 268005, 285855, 299535, 310045, 339473, 343995, 356065, 373105, 397955, 930135, 1018419, 1054153, 1068195, 1119315, 1178171, 1193865, 1268557, 1353047, 1417799, 1697365, 3162459, 3534513, 3805671, 4059141, 4253397, 4402639, 5092095, 5270765, 5890855, 6342785, 6765235, 7088995, 13207917, 15812295, 17672565, 19028355, 20028907, 20295705, 21266985, 22013195, 24102583, 60086721, 66039585, 72307749, 74844863, 83650141, 100144535, 120512915, 224534589, 250950423, 300433605, 361538745, 374224315, 418250705, 1122672945, 1254752115, 1422052397, 4266157191, 7110261985, 21330785955]

約数ペア:

[(1, 21330785955), (3, 7110261985), (5, 4266157191), (15, 1422052397), (17, 1254752115), (19, 1122672945), (51, 418250705), (57, 374224315), (59, 361538745), (71, 300433605), (85, 250950423), (95, 224534589), (177, 120512915), (213, 100144535), (255, 83650141), (285, 74844863), (295, 72307749), (323, 66039585), (355, 60086721), (885, 24102583), (969, 22013195), (1003, 21266985), (1051, 20295705), (1065, 20028907), (1121, 19028355), (1207, 17672565), (1349, 15812295), (1615, 13207917), (3009, 7088995), (3153, 6765235), (3363, 6342785), (3621, 5890855), (4047, 5270765), (4189, 5092095), (4845, 4402639), (5015, 4253397), (5255, 4059141), (5605, 3805671), (6035, 3534513), (6745, 3162459), (12567, 1697365), (15045, 1417799), (15765, 1353047), (16815, 1268557), (17867, 1193865), (18105, 1178171), (19057, 1119315), (19969, 1068195), (20235, 1054153), (20945, 1018419), (22933, 930135), (53601, 397955), (57171, 373105), (59907, 356065), (62009, 343995), (62835, 339473), (68799, 310045), (71213, 299535), (74621, 285855), (79591, 268005), (89335, 238773), (95285, 223863), (99845, 213639), (114665, 186027)]