21698988

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{5009}}^1$

素因数の和:5054

約数の個数: 36

約数和(自身を含む): 53446680

約数和(自身を除く): 31747692

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 361, 722, 1083, 1444, 2166, 4332, 5009, 10018, 15027, 20036, 30054, 60108, 95171, 190342, 285513, 380684, 571026, 1142052, 1808249, 3616498, 5424747, 7232996, 10849494, 21698988]

約数ペア:

[(1, 21698988), (2, 10849494), (3, 7232996), (4, 5424747), (6, 3616498), (12, 1808249), (19, 1142052), (38, 571026), (57, 380684), (76, 285513), (114, 190342), (228, 95171), (361, 60108), (722, 30054), (1083, 20036), (1444, 15027), (2166, 10018), (4332, 5009)]