21052548

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^2\times {\mathrm{179}}^1$

素因数の和:220

約数の個数: 108

約数和(自身を含む): 60999120

約数和(自身を除く): 39946572

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 121, 132, 162, 179, 198, 242, 243, 297, 324, 358, 363, 396, 484, 486, 537, 594, 716, 726, 891, 972, 1074, 1089, 1188, 1452, 1611, 1782, 1969, 2148, 2178, 2673, 3222, 3267, 3564, 3938, 4356, 4833, 5346, 5907, 6444, 6534, 7876, 9666, 9801, 10692, 11814, 13068, 14499, 17721, 19332, 19602, 21659, 23628, 28998, 29403, 35442, 39204, 43318, 43497, 53163, 57996, 58806, 64977, 70884, 86636, 86994, 106326, 117612, 129954, 159489, 173988, 194931, 212652, 259908, 318978, 389862, 478467, 584793, 637956, 779724, 956934, 1169586, 1754379, 1913868, 2339172, 3508758, 5263137, 7017516, 10526274, 21052548]

約数ペア:

[(1, 21052548), (2, 10526274), (3, 7017516), (4, 5263137), (6, 3508758), (9, 2339172), (11, 1913868), (12, 1754379), (18, 1169586), (22, 956934), (27, 779724), (33, 637956), (36, 584793), (44, 478467), (54, 389862), (66, 318978), (81, 259908), (99, 212652), (108, 194931), (121, 173988), (132, 159489), (162, 129954), (179, 117612), (198, 106326), (242, 86994), (243, 86636), (297, 70884), (324, 64977), (358, 58806), (363, 57996), (396, 53163), (484, 43497), (486, 43318), (537, 39204), (594, 35442), (716, 29403), (726, 28998), (891, 23628), (972, 21659), (1074, 19602), (1089, 19332), (1188, 17721), (1452, 14499), (1611, 13068), (1782, 11814), (1969, 10692), (2148, 9801), (2178, 9666), (2673, 7876), (3222, 6534), (3267, 6444), (3564, 5907), (3938, 5346), (4356, 4833)]