21366752

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{601}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 46421424

約数和(自身を除く): 25054672

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 101, 176, 202, 352, 404, 601, 808, 1111, 1202, 1616, 2222, 2404, 3232, 4444, 4808, 6611, 8888, 9616, 13222, 17776, 19232, 26444, 35552, 52888, 60701, 105776, 121402, 211552, 242804, 485608, 667711, 971216, 1335422, 1942432, 2670844, 5341688, 10683376, 21366752]

約数ペア:

[(1, 21366752), (2, 10683376), (4, 5341688), (8, 2670844), (11, 1942432), (16, 1335422), (22, 971216), (32, 667711), (44, 485608), (88, 242804), (101, 211552), (176, 121402), (202, 105776), (352, 60701), (404, 52888), (601, 35552), (808, 26444), (1111, 19232), (1202, 17776), (1616, 13222), (2222, 9616), (2404, 8888), (3232, 6611), (4444, 4808)]