21107008

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1103}}^1$

素因数の和:1151

約数の個数: 56

約数和(自身を含む): 47109888

約数和(自身を除く): 26002880

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 184, 208, 299, 368, 416, 598, 736, 832, 1103, 1196, 1472, 2206, 2392, 4412, 4784, 8824, 9568, 14339, 17648, 19136, 25369, 28678, 35296, 50738, 57356, 70592, 101476, 114712, 202952, 229424, 329797, 405904, 458848, 659594, 811808, 917696, 1319188, 1623616, 2638376, 5276752, 10553504, 21107008]

約数ペア:

[(1, 21107008), (2, 10553504), (4, 5276752), (8, 2638376), (13, 1623616), (16, 1319188), (23, 917696), (26, 811808), (32, 659594), (46, 458848), (52, 405904), (64, 329797), (92, 229424), (104, 202952), (184, 114712), (208, 101476), (299, 70592), (368, 57356), (416, 50738), (598, 35296), (736, 28678), (832, 25369), (1103, 19136), (1196, 17648), (1472, 14339), (2206, 9568), (2392, 8824), (4412, 4784)]