21688872

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 59680800

約数和(自身を除く): 37991928

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 53, 59, 68, 102, 106, 118, 136, 159, 177, 204, 212, 236, 289, 318, 354, 408, 424, 472, 578, 636, 708, 867, 901, 1003, 1156, 1272, 1416, 1734, 1802, 2006, 2312, 2703, 3009, 3127, 3468, 3604, 4012, 5406, 6018, 6254, 6936, 7208, 8024, 9381, 10812, 12036, 12508, 15317, 17051, 18762, 21624, 24072, 25016, 30634, 34102, 37524, 45951, 51153, 53159, 61268, 68204, 75048, 91902, 102306, 106318, 122536, 136408, 159477, 183804, 204612, 212636, 318954, 367608, 409224, 425272, 637908, 903703, 1275816, 1807406, 2711109, 3614812, 5422218, 7229624, 10844436, 21688872]

約数ペア:

[(1, 21688872), (2, 10844436), (3, 7229624), (4, 5422218), (6, 3614812), (8, 2711109), (12, 1807406), (17, 1275816), (24, 903703), (34, 637908), (51, 425272), (53, 409224), (59, 367608), (68, 318954), (102, 212636), (106, 204612), (118, 183804), (136, 159477), (159, 136408), (177, 122536), (204, 106318), (212, 102306), (236, 91902), (289, 75048), (318, 68204), (354, 61268), (408, 53159), (424, 51153), (472, 45951), (578, 37524), (636, 34102), (708, 30634), (867, 25016), (901, 24072), (1003, 21624), (1156, 18762), (1272, 17051), (1416, 15317), (1734, 12508), (1802, 12036), (2006, 10812), (2312, 9381), (2703, 8024), (3009, 7208), (3127, 6936), (3468, 6254), (3604, 6018), (4012, 5406)]