21008808

素因数分解:

$2^3\times 3^5\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 60147360

約数和(自身を除く): 39138552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 101, 107, 108, 162, 202, 214, 216, 243, 303, 321, 324, 404, 428, 486, 606, 642, 648, 808, 856, 909, 963, 972, 1212, 1284, 1818, 1926, 1944, 2424, 2568, 2727, 2889, 3636, 3852, 5454, 5778, 7272, 7704, 8181, 8667, 10807, 10908, 11556, 16362, 17334, 21614, 21816, 23112, 24543, 26001, 32421, 32724, 34668, 43228, 49086, 52002, 64842, 65448, 69336, 86456, 97263, 98172, 104004, 129684, 194526, 196344, 208008, 259368, 291789, 389052, 583578, 778104, 875367, 1167156, 1750734, 2334312, 2626101, 3501468, 5252202, 7002936, 10504404, 21008808]

約数ペア:

[(1, 21008808), (2, 10504404), (3, 7002936), (4, 5252202), (6, 3501468), (8, 2626101), (9, 2334312), (12, 1750734), (18, 1167156), (24, 875367), (27, 778104), (36, 583578), (54, 389052), (72, 291789), (81, 259368), (101, 208008), (107, 196344), (108, 194526), (162, 129684), (202, 104004), (214, 98172), (216, 97263), (243, 86456), (303, 69336), (321, 65448), (324, 64842), (404, 52002), (428, 49086), (486, 43228), (606, 34668), (642, 32724), (648, 32421), (808, 26001), (856, 24543), (909, 23112), (963, 21816), (972, 21614), (1212, 17334), (1284, 16362), (1818, 11556), (1926, 10908), (1944, 10807), (2424, 8667), (2568, 8181), (2727, 7704), (2889, 7272), (3636, 5778), (3852, 5454)]