21787605420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{10067}}^1\times {\mathrm{5153}}^1$

素因数の和:15239

約数の個数: 96

約数和(自身を含む): 69740794368

約数和(自身を除く): 47953188948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 5153, 10067, 10306, 15459, 20134, 20612, 25765, 30201, 30918, 36071, 40268, 50335, 51530, 60402, 61836, 70469, 72142, 77295, 100670, 103060, 108213, 120804, 140938, 144284, 151005, 154590, 180355, 201340, 211407, 216426, 281876, 302010, 309180, 352345, 360710, 422814, 432852, 541065, 604020, 704690, 721420, 845628, 1057035, 1082130, 1409380, 2114070, 2164260, 4228140, 51875251, 103750502, 155625753, 207501004, 259376255, 311251506, 363126757, 518752510, 622503012, 726253514, 778128765, 1037505020, 1089380271, 1452507028, 1556257530, 1815633785, 2178760542, 3112515060, 3631267570, 4357521084, 5446901355, 7262535140, 10893802710, 21787605420]

約数ペア:

[(1, 21787605420), (2, 10893802710), (3, 7262535140), (4, 5446901355), (5, 4357521084), (6, 3631267570), (7, 3112515060), (10, 2178760542), (12, 1815633785), (14, 1556257530), (15, 1452507028), (20, 1089380271), (21, 1037505020), (28, 778128765), (30, 726253514), (35, 622503012), (42, 518752510), (60, 363126757), (70, 311251506), (84, 259376255), (105, 207501004), (140, 155625753), (210, 103750502), (420, 51875251), (5153, 4228140), (10067, 2164260), (10306, 2114070), (15459, 1409380), (20134, 1082130), (20612, 1057035), (25765, 845628), (30201, 721420), (30918, 704690), (36071, 604020), (40268, 541065), (50335, 432852), (51530, 422814), (60402, 360710), (61836, 352345), (70469, 309180), (72142, 302010), (77295, 281876), (100670, 216426), (103060, 211407), (108213, 201340), (120804, 180355), (140938, 154590), (144284, 151005)]