21246764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{683}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 46884096

約数和(自身を除く): 25637332

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 101, 154, 202, 308, 404, 683, 707, 1111, 1366, 1414, 2222, 2732, 2828, 4444, 4781, 7513, 7777, 9562, 15026, 15554, 19124, 30052, 31108, 52591, 68983, 105182, 137966, 210364, 275932, 482881, 758813, 965762, 1517626, 1931524, 3035252, 5311691, 10623382, 21246764]

約数ペア:

[(1, 21246764), (2, 10623382), (4, 5311691), (7, 3035252), (11, 1931524), (14, 1517626), (22, 965762), (28, 758813), (44, 482881), (77, 275932), (101, 210364), (154, 137966), (202, 105182), (308, 68983), (404, 52591), (683, 31108), (707, 30052), (1111, 19124), (1366, 15554), (1414, 15026), (2222, 9562), (2732, 7777), (2828, 7513), (4444, 4781)]