21766590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4243}}^1$

素因数の和:4278

約数の個数: 64

約数和(自身を含む): 61113600

約数和(自身を除く): 39347010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 4243, 5130, 8486, 12729, 21215, 25458, 38187, 42430, 63645, 76374, 80617, 114561, 127290, 161234, 190935, 229122, 241851, 381870, 403085, 483702, 572805, 725553, 806170, 1145610, 1209255, 1451106, 2176659, 2418510, 3627765, 4353318, 7255530, 10883295, 21766590]

約数ペア:

[(1, 21766590), (2, 10883295), (3, 7255530), (5, 4353318), (6, 3627765), (9, 2418510), (10, 2176659), (15, 1451106), (18, 1209255), (19, 1145610), (27, 806170), (30, 725553), (38, 572805), (45, 483702), (54, 403085), (57, 381870), (90, 241851), (95, 229122), (114, 190935), (135, 161234), (171, 127290), (190, 114561), (270, 80617), (285, 76374), (342, 63645), (513, 42430), (570, 38187), (855, 25458), (1026, 21215), (1710, 12729), (2565, 8486), (4243, 5130)]