21210984

素因数分解:

$2^3\times 3^6\times {\mathrm{3637}}^1$

素因数の和:3661

約数の個数: 56

約数和(自身を含む): 59645010

約数和(自身を除く): 38434026

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2916, 3637, 5832, 7274, 10911, 14548, 21822, 29096, 32733, 43644, 65466, 87288, 98199, 130932, 196398, 261864, 294597, 392796, 589194, 785592, 883791, 1178388, 1767582, 2356776, 2651373, 3535164, 5302746, 7070328, 10605492, 21210984]

約数ペア:

[(1, 21210984), (2, 10605492), (3, 7070328), (4, 5302746), (6, 3535164), (8, 2651373), (9, 2356776), (12, 1767582), (18, 1178388), (24, 883791), (27, 785592), (36, 589194), (54, 392796), (72, 294597), (81, 261864), (108, 196398), (162, 130932), (216, 98199), (243, 87288), (324, 65466), (486, 43644), (648, 32733), (729, 29096), (972, 21822), (1458, 14548), (1944, 10911), (2916, 7274), (3637, 5832)]