201721638

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{8753}}^1$

素因数の和:8948

約数の個数: 32

約数和(自身を含む): 423553536

約数和(自身を除く): 221831898

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 167, 334, 501, 1002, 3841, 7682, 8753, 11523, 17506, 23046, 26259, 52518, 201319, 402638, 603957, 1207914, 1461751, 2923502, 4385253, 8770506, 33620273, 67240546, 100860819, 201721638]

約数ペア:

[(1, 201721638), (2, 100860819), (3, 67240546), (6, 33620273), (23, 8770506), (46, 4385253), (69, 2923502), (138, 1461751), (167, 1207914), (334, 603957), (501, 402638), (1002, 201319), (3841, 52518), (7682, 26259), (8753, 23046), (11523, 17506)]