21623864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 24824776

約数列:

[1, 2, 4, 8, 17, 23, 31, 34, 46, 62, 68, 92, 124, 136, 184, 223, 248, 391, 446, 527, 713, 782, 892, 1054, 1426, 1564, 1784, 2108, 2852, 3128, 3791, 4216, 5129, 5704, 6913, 7582, 10258, 12121, 13826, 15164, 20516, 24242, 27652, 30328, 41032, 48484, 55304, 87193, 96968, 117521, 158999, 174386, 235042, 317998, 348772, 470084, 635996, 697544, 940168, 1271992, 2702983, 5405966, 10811932, 21623864]

約数ペア:

[(1, 21623864), (2, 10811932), (4, 5405966), (8, 2702983), (17, 1271992), (23, 940168), (31, 697544), (34, 635996), (46, 470084), (62, 348772), (68, 317998), (92, 235042), (124, 174386), (136, 158999), (184, 117521), (223, 96968), (248, 87193), (391, 55304), (446, 48484), (527, 41032), (713, 30328), (782, 27652), (892, 24242), (1054, 20516), (1426, 15164), (1564, 13826), (1784, 12121), (2108, 10258), (2852, 7582), (3128, 6913), (3791, 5704), (4216, 5129)]