21079892732

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{7691}}^1$

素因数の和:8042

約数の個数: 48

約数和(自身を含む): 38457538560

約数和(自身を除く): 17377645828

約数列:

[1, 2, 4, 47, 61, 94, 122, 188, 239, 244, 478, 956, 2867, 5734, 7691, 11233, 11468, 14579, 15382, 22466, 29158, 30764, 44932, 58316, 361477, 469151, 685213, 722954, 938302, 1370426, 1445908, 1838149, 1876604, 2740852, 3676298, 7352596, 22050097, 44100194, 86393003, 88200388, 112127089, 172786006, 224254178, 345572012, 448508356, 5269973183, 10539946366, 21079892732]

約数ペア:

[(1, 21079892732), (2, 10539946366), (4, 5269973183), (47, 448508356), (61, 345572012), (94, 224254178), (122, 172786006), (188, 112127089), (239, 88200388), (244, 86393003), (478, 44100194), (956, 22050097), (2867, 7352596), (5734, 3676298), (7691, 2740852), (11233, 1876604), (11468, 1838149), (14579, 1445908), (15382, 1370426), (22466, 938302), (29158, 722954), (30764, 685213), (44932, 469151), (58316, 361477)]