21842744

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{601}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 52012800

約数和(自身を除く): 30170056

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 59, 77, 88, 118, 154, 236, 308, 413, 472, 601, 616, 649, 826, 1202, 1298, 1652, 2404, 2596, 3304, 4207, 4543, 4808, 5192, 6611, 8414, 9086, 13222, 16828, 18172, 26444, 33656, 35459, 36344, 46277, 52888, 70918, 92554, 141836, 185108, 248213, 283672, 370216, 390049, 496426, 780098, 992852, 1560196, 1985704, 2730343, 3120392, 5460686, 10921372, 21842744]

約数ペア:

[(1, 21842744), (2, 10921372), (4, 5460686), (7, 3120392), (8, 2730343), (11, 1985704), (14, 1560196), (22, 992852), (28, 780098), (44, 496426), (56, 390049), (59, 370216), (77, 283672), (88, 248213), (118, 185108), (154, 141836), (236, 92554), (308, 70918), (413, 52888), (472, 46277), (601, 36344), (616, 35459), (649, 33656), (826, 26444), (1202, 18172), (1298, 16828), (1652, 13222), (2404, 9086), (2596, 8414), (3304, 6611), (4207, 5192), (4543, 4808)]