21367892

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 47040000

約数和(自身を除く): 25672108

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 52, 91, 94, 182, 188, 329, 364, 611, 658, 1222, 1249, 1316, 2444, 2498, 4277, 4996, 8554, 8743, 16237, 17108, 17486, 32474, 34972, 58703, 64948, 113659, 117406, 227318, 234812, 410921, 454636, 763139, 821842, 1526278, 1643684, 3052556, 5341973, 10683946, 21367892]

約数ペア:

[(1, 21367892), (2, 10683946), (4, 5341973), (7, 3052556), (13, 1643684), (14, 1526278), (26, 821842), (28, 763139), (47, 454636), (52, 410921), (91, 234812), (94, 227318), (182, 117406), (188, 113659), (329, 64948), (364, 58703), (611, 34972), (658, 32474), (1222, 17486), (1249, 17108), (1316, 16237), (2444, 8743), (2498, 8554), (4277, 4996)]