21804228

素因数分解:

$2^2\times 3^4\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:578

約数の個数: 60

約数和(自身を含む): 57477420

約数和(自身を除く): 35673192

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 173, 324, 346, 389, 519, 692, 778, 1038, 1167, 1556, 1557, 2076, 2334, 3114, 3501, 4668, 4671, 6228, 7002, 9342, 10503, 14004, 14013, 18684, 21006, 28026, 31509, 42012, 56052, 63018, 67297, 126036, 134594, 201891, 269188, 403782, 605673, 807564, 1211346, 1817019, 2422692, 3634038, 5451057, 7268076, 10902114, 21804228]

約数ペア:

[(1, 21804228), (2, 10902114), (3, 7268076), (4, 5451057), (6, 3634038), (9, 2422692), (12, 1817019), (18, 1211346), (27, 807564), (36, 605673), (54, 403782), (81, 269188), (108, 201891), (162, 134594), (173, 126036), (324, 67297), (346, 63018), (389, 56052), (519, 42012), (692, 31509), (778, 28026), (1038, 21006), (1167, 18684), (1556, 14013), (1557, 14004), (2076, 10503), (2334, 9342), (3114, 7002), (3501, 6228), (4668, 4671)]