21515008

素因数分解:

$2^8\times {\mathrm{229}}^1\times {\mathrm{367}}^1$

素因数の和:612

約数の個数: 36

約数和(自身を含む): 43251040

約数和(自身を除く): 21736032

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 229, 256, 367, 458, 734, 916, 1468, 1832, 2936, 3664, 5872, 7328, 11744, 14656, 23488, 29312, 46976, 58624, 84043, 93952, 168086, 336172, 672344, 1344688, 2689376, 5378752, 10757504, 21515008]

約数ペア:

[(1, 21515008), (2, 10757504), (4, 5378752), (8, 2689376), (16, 1344688), (32, 672344), (64, 336172), (128, 168086), (229, 93952), (256, 84043), (367, 58624), (458, 46976), (734, 29312), (916, 23488), (1468, 14656), (1832, 11744), (2936, 7328), (3664, 5872)]