21062016

素因数分解:

$2^7\times 3^2\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 96

約数和(自身を含む): 62056800

約数和(自身を除く): 40994784

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, 389, 423, 564, 576, 752, 778, 846, 1128, 1152, 1167, 1504, 1556, 1692, 2256, 2334, 3008, 3112, 3384, 3501, 4512, 4668, 6016, 6224, 6768, 7002, 9024, 9336, 12448, 13536, 14004, 18048, 18283, 18672, 24896, 27072, 28008, 36566, 37344, 49792, 54144, 54849, 56016, 73132, 74688, 109698, 112032, 146264, 149376, 164547, 219396, 224064, 292528, 329094, 438792, 448128, 585056, 658188, 877584, 1170112, 1316376, 1755168, 2340224, 2632752, 3510336, 5265504, 7020672, 10531008, 21062016]

約数ペア:

[(1, 21062016), (2, 10531008), (3, 7020672), (4, 5265504), (6, 3510336), (8, 2632752), (9, 2340224), (12, 1755168), (16, 1316376), (18, 1170112), (24, 877584), (32, 658188), (36, 585056), (47, 448128), (48, 438792), (64, 329094), (72, 292528), (94, 224064), (96, 219396), (128, 164547), (141, 149376), (144, 146264), (188, 112032), (192, 109698), (282, 74688), (288, 73132), (376, 56016), (384, 54849), (389, 54144), (423, 49792), (564, 37344), (576, 36566), (752, 28008), (778, 27072), (846, 24896), (1128, 18672), (1152, 18283), (1167, 18048), (1504, 14004), (1556, 13536), (1692, 12448), (2256, 9336), (2334, 9024), (3008, 7002), (3112, 6768), (3384, 6224), (3501, 6016), (4512, 4668)]