21235136

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25523}}^1$

素因数の和:25548

約数の個数: 28

約数和(自身を含む): 45381672

約数和(自身を除く): 24146536

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25523, 51046, 102092, 204184, 331799, 408368, 663598, 816736, 1327196, 1633472, 2654392, 5308784, 10617568, 21235136]

約数ペア:

[(1, 21235136), (2, 10617568), (4, 5308784), (8, 2654392), (13, 1633472), (16, 1327196), (26, 816736), (32, 663598), (52, 408368), (64, 331799), (104, 204184), (208, 102092), (416, 51046), (832, 25523)]