20211457828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{74699}}^1$

素因数の和:74916

約数の個数: 48

約数和(自身を含む): 39305347200

約数和(自身を除く): 19093889372

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 173, 346, 391, 692, 782, 1564, 2941, 3979, 5882, 7958, 11764, 15916, 67643, 74699, 135286, 149398, 270572, 298796, 1269883, 1718077, 2539766, 3436154, 5079532, 6872308, 12922927, 25845854, 29207309, 51691708, 58414618, 116829236, 219689759, 297227321, 439379518, 594454642, 878759036, 1188909284, 5052864457, 10105728914, 20211457828]

約数ペア:

[(1, 20211457828), (2, 10105728914), (4, 5052864457), (17, 1188909284), (23, 878759036), (34, 594454642), (46, 439379518), (68, 297227321), (92, 219689759), (173, 116829236), (346, 58414618), (391, 51691708), (692, 29207309), (782, 25845854), (1564, 12922927), (2941, 6872308), (3979, 5079532), (5882, 3436154), (7958, 2539766), (11764, 1718077), (15916, 1269883), (67643, 298796), (74699, 270572), (135286, 149398)]