21810456

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 63516960

約数和(自身を除く): 41706504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 103, 136, 153, 173, 204, 206, 306, 309, 346, 408, 412, 519, 612, 618, 692, 824, 927, 1038, 1224, 1236, 1384, 1557, 1751, 1854, 2076, 2472, 2941, 3114, 3502, 3708, 4152, 5253, 5882, 6228, 7004, 7416, 8823, 10506, 11764, 12456, 14008, 15759, 17646, 17819, 21012, 23528, 26469, 31518, 35292, 35638, 42024, 52938, 53457, 63036, 70584, 71276, 105876, 106914, 126072, 142552, 160371, 211752, 213828, 302923, 320742, 427656, 605846, 641484, 908769, 1211692, 1282968, 1817538, 2423384, 2726307, 3635076, 5452614, 7270152, 10905228, 21810456]

約数ペア:

[(1, 21810456), (2, 10905228), (3, 7270152), (4, 5452614), (6, 3635076), (8, 2726307), (9, 2423384), (12, 1817538), (17, 1282968), (18, 1211692), (24, 908769), (34, 641484), (36, 605846), (51, 427656), (68, 320742), (72, 302923), (102, 213828), (103, 211752), (136, 160371), (153, 142552), (173, 126072), (204, 106914), (206, 105876), (306, 71276), (309, 70584), (346, 63036), (408, 53457), (412, 52938), (519, 42024), (612, 35638), (618, 35292), (692, 31518), (824, 26469), (927, 23528), (1038, 21012), (1224, 17819), (1236, 17646), (1384, 15759), (1557, 14008), (1751, 12456), (1854, 11764), (2076, 10506), (2472, 8823), (2941, 7416), (3114, 7004), (3502, 6228), (3708, 5882), (4152, 5253)]