21949559728

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{607819}}^1$

素因数の和:607925

約数の個数: 40

約数和(自身を含む): 44392741520

約数和(自身を除く): 22443181792

約数列:

[1, 2, 4, 8, 16, 37, 61, 74, 122, 148, 244, 296, 488, 592, 976, 2257, 4514, 9028, 18056, 36112, 607819, 1215638, 2431276, 4862552, 9725104, 22489303, 37076959, 44978606, 74153918, 89957212, 148307836, 179914424, 296615672, 359828848, 593231344, 1371847483, 2743694966, 5487389932, 10974779864, 21949559728]

約数ペア:

[(1, 21949559728), (2, 10974779864), (4, 5487389932), (8, 2743694966), (16, 1371847483), (37, 593231344), (61, 359828848), (74, 296615672), (122, 179914424), (148, 148307836), (244, 89957212), (296, 74153918), (488, 44978606), (592, 37076959), (976, 22489303), (2257, 9725104), (4514, 4862552), (9028, 2431276), (18056, 1215638), (36112, 607819)]