21495168

素因数分解:

$2^7\times 3^2\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:464

約数の個数: 96

約数和(自身を含む): 63329760

約数和(自身を除く): 41834592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 47, 48, 64, 72, 94, 96, 128, 141, 144, 188, 192, 282, 288, 376, 384, 397, 423, 564, 576, 752, 794, 846, 1128, 1152, 1191, 1504, 1588, 1692, 2256, 2382, 3008, 3176, 3384, 3573, 4512, 4764, 6016, 6352, 6768, 7146, 9024, 9528, 12704, 13536, 14292, 18048, 18659, 19056, 25408, 27072, 28584, 37318, 38112, 50816, 54144, 55977, 57168, 74636, 76224, 111954, 114336, 149272, 152448, 167931, 223908, 228672, 298544, 335862, 447816, 457344, 597088, 671724, 895632, 1194176, 1343448, 1791264, 2388352, 2686896, 3582528, 5373792, 7165056, 10747584, 21495168]

約数ペア:

[(1, 21495168), (2, 10747584), (3, 7165056), (4, 5373792), (6, 3582528), (8, 2686896), (9, 2388352), (12, 1791264), (16, 1343448), (18, 1194176), (24, 895632), (32, 671724), (36, 597088), (47, 457344), (48, 447816), (64, 335862), (72, 298544), (94, 228672), (96, 223908), (128, 167931), (141, 152448), (144, 149272), (188, 114336), (192, 111954), (282, 76224), (288, 74636), (376, 57168), (384, 55977), (397, 54144), (423, 50816), (564, 38112), (576, 37318), (752, 28584), (794, 27072), (846, 25408), (1128, 19056), (1152, 18659), (1191, 18048), (1504, 14292), (1588, 13536), (1692, 12704), (2256, 9528), (2382, 9024), (3008, 7146), (3176, 6768), (3384, 6352), (3573, 6016), (4512, 4764)]