21103510770

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{40519}}^1$

素因数の和:41181

約数の個数: 80

約数和(自身を含む): 56834648640

約数和(自身を除く): 35731137870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 643, 810, 1286, 1929, 3215, 3858, 5787, 6430, 9645, 11574, 17361, 19290, 28935, 34722, 40519, 52083, 57870, 81038, 86805, 104166, 121557, 173610, 202595, 243114, 260415, 364671, 405190, 520830, 607785, 729342, 1094013, 1215570, 1823355, 2188026, 3282039, 3646710, 5470065, 6564078, 10940130, 16410195, 26053717, 32820390, 52107434, 78161151, 130268585, 156322302, 234483453, 260537170, 390805755, 468966906, 703450359, 781611510, 1172417265, 1406900718, 2110351077, 2344834530, 3517251795, 4220702154, 7034503590, 10551755385, 21103510770]

約数ペア:

[(1, 21103510770), (2, 10551755385), (3, 7034503590), (5, 4220702154), (6, 3517251795), (9, 2344834530), (10, 2110351077), (15, 1406900718), (18, 1172417265), (27, 781611510), (30, 703450359), (45, 468966906), (54, 390805755), (81, 260537170), (90, 234483453), (135, 156322302), (162, 130268585), (270, 78161151), (405, 52107434), (643, 32820390), (810, 26053717), (1286, 16410195), (1929, 10940130), (3215, 6564078), (3858, 5470065), (5787, 3646710), (6430, 3282039), (9645, 2188026), (11574, 1823355), (17361, 1215570), (19290, 1094013), (28935, 729342), (34722, 607785), (40519, 520830), (52083, 405190), (57870, 364671), (81038, 260415), (86805, 243114), (104166, 202595), (121557, 173610)]