21855064

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2087}}^1$

素因数の和:2128

約数の個数: 64

約数和(自身を含む): 54120960

約数和(自身を除く): 32265896

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 119, 136, 154, 187, 238, 308, 374, 476, 616, 748, 952, 1309, 1496, 2087, 2618, 4174, 5236, 8348, 10472, 14609, 16696, 22957, 29218, 35479, 45914, 58436, 70958, 91828, 116872, 141916, 160699, 183656, 248353, 283832, 321398, 390269, 496706, 642796, 780538, 993412, 1285592, 1561076, 1986824, 2731883, 3122152, 5463766, 10927532, 21855064]

約数ペア:

[(1, 21855064), (2, 10927532), (4, 5463766), (7, 3122152), (8, 2731883), (11, 1986824), (14, 1561076), (17, 1285592), (22, 993412), (28, 780538), (34, 642796), (44, 496706), (56, 390269), (68, 321398), (77, 283832), (88, 248353), (119, 183656), (136, 160699), (154, 141916), (187, 116872), (238, 91828), (308, 70958), (374, 58436), (476, 45914), (616, 35479), (748, 29218), (952, 22957), (1309, 16696), (1496, 14609), (2087, 10472), (2618, 8348), (4174, 5236)]