21259833055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{787}}^1\times {\mathrm{1123}}^1$

素因数の和:2215

約数の個数: 32

約数和(自身を含む): 27166558464

約数和(自身を除く): 5906725409

約数列:

[1, 5, 17, 85, 283, 787, 1123, 1415, 3935, 4811, 5615, 13379, 19091, 24055, 66895, 95455, 222721, 317809, 883801, 1113605, 1589045, 3786257, 4419005, 5402753, 15024617, 18931285, 27013765, 75123085, 250115683, 1250578415, 4251966611, 21259833055]

約数ペア:

[(1, 21259833055), (5, 4251966611), (17, 1250578415), (85, 250115683), (283, 75123085), (787, 27013765), (1123, 18931285), (1415, 15024617), (3935, 5402753), (4811, 4419005), (5615, 3786257), (13379, 1589045), (19091, 1113605), (24055, 883801), (66895, 317809), (95455, 222721)]