21087936

素因数分解:

$2^6\times 3^2\times {\mathrm{31}}^1\times {\mathrm{1181}}^1$

素因数の和:1230

約数の個数: 84

約数和(自身を含む): 62447424

約数和(自身を除く): 41359488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 144, 186, 192, 248, 279, 288, 372, 496, 558, 576, 744, 992, 1116, 1181, 1488, 1984, 2232, 2362, 2976, 3543, 4464, 4724, 5952, 7086, 8928, 9448, 10629, 14172, 17856, 18896, 21258, 28344, 36611, 37792, 42516, 56688, 73222, 75584, 85032, 109833, 113376, 146444, 170064, 219666, 226752, 292888, 329499, 340128, 439332, 585776, 658998, 680256, 878664, 1171552, 1317996, 1757328, 2343104, 2635992, 3514656, 5271984, 7029312, 10543968, 21087936]

約数ペア:

[(1, 21087936), (2, 10543968), (3, 7029312), (4, 5271984), (6, 3514656), (8, 2635992), (9, 2343104), (12, 1757328), (16, 1317996), (18, 1171552), (24, 878664), (31, 680256), (32, 658998), (36, 585776), (48, 439332), (62, 340128), (64, 329499), (72, 292888), (93, 226752), (96, 219666), (124, 170064), (144, 146444), (186, 113376), (192, 109833), (248, 85032), (279, 75584), (288, 73222), (372, 56688), (496, 42516), (558, 37792), (576, 36611), (744, 28344), (992, 21258), (1116, 18896), (1181, 17856), (1488, 14172), (1984, 10629), (2232, 9448), (2362, 8928), (2976, 7086), (3543, 5952), (4464, 4724)]