21553673397

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{1109}}^1$

素因数の和:1826

約数の個数: 64

約数和(自身を含む): 33144422400

約数和(自身を除く): 11590749003

約数列:

[1, 3, 17, 19, 31, 51, 57, 93, 323, 527, 589, 647, 969, 1109, 1581, 1767, 1941, 3327, 10013, 10999, 12293, 18853, 20057, 21071, 30039, 32997, 34379, 36879, 56559, 60171, 63213, 103137, 208981, 340969, 358207, 381083, 584443, 626943, 653201, 717523, 1022907, 1074621, 1143249, 1753329, 1959603, 2152569, 6478411, 11104417, 12197891, 13632937, 19435233, 22243213, 33313251, 36593673, 40898811, 66729639, 231759929, 378134621, 422621047, 695279787, 1134403863, 1267863141, 7184557799, 21553673397]

約数ペア:

[(1, 21553673397), (3, 7184557799), (17, 1267863141), (19, 1134403863), (31, 695279787), (51, 422621047), (57, 378134621), (93, 231759929), (323, 66729639), (527, 40898811), (589, 36593673), (647, 33313251), (969, 22243213), (1109, 19435233), (1581, 13632937), (1767, 12197891), (1941, 11104417), (3327, 6478411), (10013, 2152569), (10999, 1959603), (12293, 1753329), (18853, 1143249), (20057, 1074621), (21071, 1022907), (30039, 717523), (32997, 653201), (34379, 626943), (36879, 584443), (56559, 381083), (60171, 358207), (63213, 340969), (103137, 208981)]