21625696

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 44579808

約数和(自身を除く): 22954112

約数列:

[1, 2, 4, 8, 16, 32, 41, 53, 82, 106, 164, 212, 311, 328, 424, 622, 656, 848, 1244, 1312, 1696, 2173, 2488, 4346, 4976, 8692, 9952, 12751, 16483, 17384, 25502, 32966, 34768, 51004, 65932, 69536, 102008, 131864, 204016, 263728, 408032, 527456, 675803, 1351606, 2703212, 5406424, 10812848, 21625696]

約数ペア:

[(1, 21625696), (2, 10812848), (4, 5406424), (8, 2703212), (16, 1351606), (32, 675803), (41, 527456), (53, 408032), (82, 263728), (106, 204016), (164, 131864), (212, 102008), (311, 69536), (328, 65932), (424, 51004), (622, 34768), (656, 32966), (848, 25502), (1244, 17384), (1312, 16483), (1696, 12751), (2173, 9952), (2488, 8692), (4346, 4976)]