21157561104

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{7225943}}^1$

素因数の和:7226015

約数の個数: 40

約数和(自身を含む): 55553057472

約数和(自身を除く): 34395496368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 7225943, 14451886, 21677829, 28903772, 43355658, 57807544, 86711316, 115615088, 173422632, 346845264, 440782523, 881565046, 1322347569, 1763130092, 2644695138, 3526260184, 5289390276, 7052520368, 10578780552, 21157561104]

約数ペア:

[(1, 21157561104), (2, 10578780552), (3, 7052520368), (4, 5289390276), (6, 3526260184), (8, 2644695138), (12, 1763130092), (16, 1322347569), (24, 881565046), (48, 440782523), (61, 346845264), (122, 173422632), (183, 115615088), (244, 86711316), (366, 57807544), (488, 43355658), (732, 28903772), (976, 21677829), (1464, 14451886), (2928, 7225943)]