21359104

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{3209}}^1$

素因数の和:3240

約数の個数: 40

約数和(自身を含む): 45973620

約数和(自身を除く): 24614516

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3209, 3328, 6418, 6656, 12836, 25672, 41717, 51344, 83434, 102688, 166868, 205376, 333736, 410752, 667472, 821504, 1334944, 1643008, 2669888, 5339776, 10679552, 21359104]

約数ペア:

[(1, 21359104), (2, 10679552), (4, 5339776), (8, 2669888), (13, 1643008), (16, 1334944), (26, 821504), (32, 667472), (52, 410752), (64, 333736), (104, 205376), (128, 166868), (208, 102688), (256, 83434), (416, 51344), (512, 41717), (832, 25672), (1664, 12836), (3209, 6656), (3328, 6418)]