21846272

素因数分解:

$2^8\times 7^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 50822016

約数和(自身を除く): 28975744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 128, 146, 167, 224, 256, 292, 334, 448, 511, 584, 668, 896, 1022, 1168, 1169, 1336, 1792, 2044, 2336, 2338, 2672, 4088, 4672, 4676, 5344, 8176, 9344, 9352, 10688, 12191, 16352, 18688, 18704, 21376, 24382, 32704, 37408, 42752, 48764, 65408, 74816, 85337, 97528, 130816, 149632, 170674, 195056, 299264, 341348, 390112, 682696, 780224, 1365392, 1560448, 2730784, 3120896, 5461568, 10923136, 21846272]

約数ペア:

[(1, 21846272), (2, 10923136), (4, 5461568), (7, 3120896), (8, 2730784), (14, 1560448), (16, 1365392), (28, 780224), (32, 682696), (56, 390112), (64, 341348), (73, 299264), (112, 195056), (128, 170674), (146, 149632), (167, 130816), (224, 97528), (256, 85337), (292, 74816), (334, 65408), (448, 48764), (511, 42752), (584, 37408), (668, 32704), (896, 24382), (1022, 21376), (1168, 18704), (1169, 18688), (1336, 16352), (1792, 12191), (2044, 10688), (2336, 9352), (2338, 9344), (2672, 8176), (4088, 5344), (4672, 4676)]