21235552

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51047}}^1$

素因数の和:51070

約数の個数: 24

約数和(自身を含む): 45024336

約数和(自身を除く): 23788784

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51047, 102094, 204188, 408376, 663611, 816752, 1327222, 1633504, 2654444, 5308888, 10617776, 21235552]

約数ペア:

[(1, 21235552), (2, 10617776), (4, 5308888), (8, 2654444), (13, 1633504), (16, 1327222), (26, 816752), (32, 663611), (52, 408376), (104, 204188), (208, 102094), (416, 51047)]