21683942

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2939}}^1$

素因数の和:2996

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 18958618

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 2939, 3689, 5878, 7378, 20573, 41146, 49963, 91109, 99926, 182218, 349741, 637763, 699482, 1275526, 1548853, 3097706, 10841971, 21683942]

約数ペア:

[(1, 21683942), (2, 10841971), (7, 3097706), (14, 1548853), (17, 1275526), (31, 699482), (34, 637763), (62, 349741), (119, 182218), (217, 99926), (238, 91109), (434, 49963), (527, 41146), (1054, 20573), (2939, 7378), (3689, 5878)]