21079552

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{3167}}^1$

素因数の和:3198

約数の個数: 40

約数和(自身を含む): 45372096

約数和(自身を除く): 24292544

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3167, 3328, 6334, 6656, 12668, 25336, 41171, 50672, 82342, 101344, 164684, 202688, 329368, 405376, 658736, 810752, 1317472, 1621504, 2634944, 5269888, 10539776, 21079552]

約数ペア:

[(1, 21079552), (2, 10539776), (4, 5269888), (8, 2634944), (13, 1621504), (16, 1317472), (26, 810752), (32, 658736), (52, 405376), (64, 329368), (104, 202688), (128, 164684), (208, 101344), (256, 82342), (416, 50672), (512, 41171), (832, 25336), (1664, 12668), (3167, 6656), (3328, 6334)]