21942882

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1187}}^1$

素因数の和:1287

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 29948958

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 79, 117, 158, 234, 237, 474, 711, 1027, 1187, 1422, 2054, 2374, 3081, 3561, 6162, 7122, 9243, 10683, 15431, 18486, 21366, 30862, 46293, 92586, 93773, 138879, 187546, 277758, 281319, 562638, 843957, 1219049, 1687914, 2438098, 3657147, 7314294, 10971441, 21942882]

約数ペア:

[(1, 21942882), (2, 10971441), (3, 7314294), (6, 3657147), (9, 2438098), (13, 1687914), (18, 1219049), (26, 843957), (39, 562638), (78, 281319), (79, 277758), (117, 187546), (158, 138879), (234, 93773), (237, 92586), (474, 46293), (711, 30862), (1027, 21366), (1187, 18486), (1422, 15431), (2054, 10683), (2374, 9243), (3081, 7122), (3561, 6162)]