21268696

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 41025600

約数和(自身を除く): 19756904

約数列:

[1, 2, 4, 8, 73, 79, 146, 158, 292, 316, 461, 584, 632, 922, 1844, 3688, 5767, 11534, 23068, 33653, 36419, 46136, 67306, 72838, 134612, 145676, 269224, 291352, 2658587, 5317174, 10634348, 21268696]

約数ペア:

[(1, 21268696), (2, 10634348), (4, 5317174), (8, 2658587), (73, 291352), (79, 269224), (146, 145676), (158, 134612), (292, 72838), (316, 67306), (461, 46136), (584, 36419), (632, 33653), (922, 23068), (1844, 11534), (3688, 5767)]