21696632

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 43050000

約数和(自身を除く): 21353368

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 349, 409, 698, 818, 1396, 1636, 2792, 3272, 6631, 7771, 13262, 15542, 26524, 31084, 53048, 62168, 142741, 285482, 570964, 1141928, 2712079, 5424158, 10848316, 21696632]

約数ペア:

[(1, 21696632), (2, 10848316), (4, 5424158), (8, 2712079), (19, 1141928), (38, 570964), (76, 285482), (152, 142741), (349, 62168), (409, 53048), (698, 31084), (818, 26524), (1396, 15542), (1636, 13262), (2792, 7771), (3272, 6631)]