21646035

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:162

約数の個数: 80

約数和(自身を含む): 42688800

約数和(自身を除く): 21042765

約数列:

[1, 3, 5, 9, 15, 19, 27, 29, 45, 57, 81, 87, 95, 97, 135, 145, 171, 261, 285, 291, 405, 435, 485, 513, 551, 783, 855, 873, 1305, 1455, 1539, 1653, 1843, 2349, 2565, 2619, 2755, 2813, 3915, 4365, 4959, 5529, 7695, 7857, 8265, 8439, 9215, 11745, 13095, 14065, 14877, 16587, 24795, 25317, 27645, 39285, 42195, 44631, 49761, 53447, 74385, 75951, 82935, 126585, 149283, 160341, 223155, 227853, 248805, 267235, 379755, 481023, 746415, 801705, 1139265, 1443069, 2405115, 4329207, 7215345, 21646035]

約数ペア:

[(1, 21646035), (3, 7215345), (5, 4329207), (9, 2405115), (15, 1443069), (19, 1139265), (27, 801705), (29, 746415), (45, 481023), (57, 379755), (81, 267235), (87, 248805), (95, 227853), (97, 223155), (135, 160341), (145, 149283), (171, 126585), (261, 82935), (285, 75951), (291, 74385), (405, 53447), (435, 49761), (485, 44631), (513, 42195), (551, 39285), (783, 27645), (855, 25317), (873, 24795), (1305, 16587), (1455, 14877), (1539, 14065), (1653, 13095), (1843, 11745), (2349, 9215), (2565, 8439), (2619, 8265), (2755, 7857), (2813, 7695), (3915, 5529), (4365, 4959)]