21299295

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{587}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 14262945

約数列:

[1, 3, 5, 15, 41, 59, 123, 177, 205, 295, 587, 615, 885, 1761, 2419, 2935, 7257, 8805, 12095, 24067, 34633, 36285, 72201, 103899, 120335, 173165, 361005, 519495, 1419953, 4259859, 7099765, 21299295]

約数ペア:

[(1, 21299295), (3, 7099765), (5, 4259859), (15, 1419953), (41, 519495), (59, 361005), (123, 173165), (177, 120335), (205, 103899), (295, 72201), (587, 36285), (615, 34633), (885, 24067), (1761, 12095), (2419, 8805), (2935, 7257)]