21952712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 24495928

約数列:

[1, 2, 4, 8, 17, 31, 34, 41, 62, 68, 82, 124, 127, 136, 164, 248, 254, 328, 508, 527, 697, 1016, 1054, 1271, 1394, 2108, 2159, 2542, 2788, 3937, 4216, 4318, 5084, 5207, 5576, 7874, 8636, 10168, 10414, 15748, 17272, 20828, 21607, 31496, 41656, 43214, 66929, 86428, 88519, 133858, 161417, 172856, 177038, 267716, 322834, 354076, 535432, 645668, 708152, 1291336, 2744089, 5488178, 10976356, 21952712]

約数ペア:

[(1, 21952712), (2, 10976356), (4, 5488178), (8, 2744089), (17, 1291336), (31, 708152), (34, 645668), (41, 535432), (62, 354076), (68, 322834), (82, 267716), (124, 177038), (127, 172856), (136, 161417), (164, 133858), (248, 88519), (254, 86428), (328, 66929), (508, 43214), (527, 41656), (697, 31496), (1016, 21607), (1054, 20828), (1271, 17272), (1394, 15748), (2108, 10414), (2159, 10168), (2542, 8636), (2788, 7874), (3937, 5576), (4216, 5207), (4318, 5084)]