21260556

素因数分解:

$2^2\times 3^6\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:362

約数の個数: 84

約数和(自身を含む): 58392432

約数和(自身を除く): 37131876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 243, 276, 317, 324, 414, 486, 621, 634, 729, 828, 951, 972, 1242, 1268, 1458, 1863, 1902, 2484, 2853, 2916, 3726, 3804, 5589, 5706, 7291, 7452, 8559, 11178, 11412, 14582, 16767, 17118, 21873, 22356, 25677, 29164, 33534, 34236, 43746, 51354, 65619, 67068, 77031, 87492, 102708, 131238, 154062, 196857, 231093, 262476, 308124, 393714, 462186, 590571, 787428, 924372, 1181142, 1771713, 2362284, 3543426, 5315139, 7086852, 10630278, 21260556]

約数ペア:

[(1, 21260556), (2, 10630278), (3, 7086852), (4, 5315139), (6, 3543426), (9, 2362284), (12, 1771713), (18, 1181142), (23, 924372), (27, 787428), (36, 590571), (46, 462186), (54, 393714), (69, 308124), (81, 262476), (92, 231093), (108, 196857), (138, 154062), (162, 131238), (207, 102708), (243, 87492), (276, 77031), (317, 67068), (324, 65619), (414, 51354), (486, 43746), (621, 34236), (634, 33534), (729, 29164), (828, 25677), (951, 22356), (972, 21873), (1242, 17118), (1268, 16767), (1458, 14582), (1863, 11412), (1902, 11178), (2484, 8559), (2853, 7452), (2916, 7291), (3726, 5706), (3804, 5589)]