21044368190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1\times {\mathrm{907}}^1$

素因数の和:1577

約数の個数: 64

約数和(自身を含む): 39821829120

約数和(自身を除く): 18777460930

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 281, 359, 562, 718, 907, 1405, 1795, 1814, 2810, 3590, 4535, 6463, 8257, 9070, 12926, 16514, 20861, 32315, 41285, 41722, 64630, 82570, 100879, 104305, 201758, 208610, 254867, 325613, 504395, 509734, 651226, 1008790, 1274335, 1628065, 2320217, 2548670, 3256130, 4640434, 5861941, 7489099, 11601085, 11723882, 14978198, 23202170, 29309705, 37445495, 58619410, 74890990, 91497253, 182994506, 457486265, 914972530, 2104436819, 4208873638, 10522184095, 21044368190]

約数ペア:

[(1, 21044368190), (2, 10522184095), (5, 4208873638), (10, 2104436819), (23, 914972530), (46, 457486265), (115, 182994506), (230, 91497253), (281, 74890990), (359, 58619410), (562, 37445495), (718, 29309705), (907, 23202170), (1405, 14978198), (1795, 11723882), (1814, 11601085), (2810, 7489099), (3590, 5861941), (4535, 4640434), (6463, 3256130), (8257, 2548670), (9070, 2320217), (12926, 1628065), (16514, 1274335), (20861, 1008790), (32315, 651226), (41285, 509734), (41722, 504395), (64630, 325613), (82570, 254867), (100879, 208610), (104305, 201758)]