21388944

素因数分解:

$2^4\times 3^1\times {\mathrm{191}}^1\times {\mathrm{2333}}^1$

素因数の和:2535

約数の個数: 40

約数和(自身を含む): 55567872

約数和(自身を除く): 34178928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 191, 382, 573, 764, 1146, 1528, 2292, 2333, 3056, 4584, 4666, 6999, 9168, 9332, 13998, 18664, 27996, 37328, 55992, 111984, 445603, 891206, 1336809, 1782412, 2673618, 3564824, 5347236, 7129648, 10694472, 21388944]

約数ペア:

[(1, 21388944), (2, 10694472), (3, 7129648), (4, 5347236), (6, 3564824), (8, 2673618), (12, 1782412), (16, 1336809), (24, 891206), (48, 445603), (191, 111984), (382, 55992), (573, 37328), (764, 27996), (1146, 18664), (1528, 13998), (2292, 9332), (2333, 9168), (3056, 6999), (4584, 4666)]