21270158

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6151}}^1$

素因数の和:6192

約数の個数: 32

約数和(自身を含む): 41341440

約数和(自身を除く): 20071282

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 6151, 12302, 43057, 79963, 86114, 116869, 159926, 233738, 559741, 818083, 1119482, 1519297, 1636166, 3038594, 10635079, 21270158]

約数ペア:

[(1, 21270158), (2, 10635079), (7, 3038594), (13, 1636166), (14, 1519297), (19, 1119482), (26, 818083), (38, 559741), (91, 233738), (133, 159926), (182, 116869), (247, 86114), (266, 79963), (494, 43057), (1729, 12302), (3458, 6151)]