21895830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1301}}^1$

素因数の和:1342

約数の個数: 96

約数和(自身を含む): 65808288

約数和(自身を除く): 43912458

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 45, 51, 55, 66, 85, 90, 99, 102, 110, 153, 165, 170, 187, 198, 255, 306, 330, 374, 495, 510, 561, 765, 935, 990, 1122, 1301, 1530, 1683, 1870, 2602, 2805, 3366, 3903, 5610, 6505, 7806, 8415, 11709, 13010, 14311, 16830, 19515, 22117, 23418, 28622, 39030, 42933, 44234, 58545, 66351, 71555, 85866, 110585, 117090, 128799, 132702, 143110, 199053, 214665, 221170, 243287, 257598, 331755, 398106, 429330, 486574, 643995, 663510, 729861, 995265, 1216435, 1287990, 1459722, 1990530, 2189583, 2432870, 3649305, 4379166, 7298610, 10947915, 21895830]

約数ペア:

[(1, 21895830), (2, 10947915), (3, 7298610), (5, 4379166), (6, 3649305), (9, 2432870), (10, 2189583), (11, 1990530), (15, 1459722), (17, 1287990), (18, 1216435), (22, 995265), (30, 729861), (33, 663510), (34, 643995), (45, 486574), (51, 429330), (55, 398106), (66, 331755), (85, 257598), (90, 243287), (99, 221170), (102, 214665), (110, 199053), (153, 143110), (165, 132702), (170, 128799), (187, 117090), (198, 110585), (255, 85866), (306, 71555), (330, 66351), (374, 58545), (495, 44234), (510, 42933), (561, 39030), (765, 28622), (935, 23418), (990, 22117), (1122, 19515), (1301, 16830), (1530, 14311), (1683, 13010), (1870, 11709), (2602, 8415), (2805, 7806), (3366, 6505), (3903, 5610)]