21364545

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 35164800

約数和(自身を除く): 13800255

約数列:

[1, 3, 5, 15, 73, 109, 179, 219, 327, 365, 537, 545, 895, 1095, 1635, 2685, 7957, 13067, 19511, 23871, 39201, 39785, 58533, 65335, 97555, 119355, 196005, 292665, 1424303, 4272909, 7121515, 21364545]

約数ペア:

[(1, 21364545), (3, 7121515), (5, 4272909), (15, 1424303), (73, 292665), (109, 196005), (179, 119355), (219, 97555), (327, 65335), (365, 58533), (537, 39785), (545, 39201), (895, 23871), (1095, 19511), (1635, 13067), (2685, 7957)]