21935144

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{5087}}^1$

素因数の和:5118

約数の個数: 48

約数和(自身を含む): 52202880

約数和(自身を除く): 30267736

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 5087, 10174, 20348, 35609, 40696, 55957, 71218, 111914, 142436, 223828, 249263, 284872, 391699, 447656, 498526, 783398, 997052, 1566796, 1994104, 2741893, 3133592, 5483786, 10967572, 21935144]

約数ペア:

[(1, 21935144), (2, 10967572), (4, 5483786), (7, 3133592), (8, 2741893), (11, 1994104), (14, 1566796), (22, 997052), (28, 783398), (44, 498526), (49, 447656), (56, 391699), (77, 284872), (88, 249263), (98, 223828), (154, 142436), (196, 111914), (308, 71218), (392, 55957), (539, 40696), (616, 35609), (1078, 20348), (2156, 10174), (4312, 5087)]